kpriv/linux-hardened
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

mtd: utilize `mtd_is_*()' functions

Browse source 
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>
This commit is contained in:
Brian Norris 2011-09-20 18:34:25 -07:00 committed by Artem Bityutskiy
parent 7387ce7732
commit d57f40544a
23 changed files with 78 additions and 78 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
drivers/mtd/inftlcore.c
View file

@ -346,7 +346,7 @@ static u16 INFTL_foldchain(struct INFTLrecord *inftl, unsigned thisVUC, unsigned
ret = mtd->read(mtd, (inftl->EraseSize * BlockMap[block]) +
(block * SECTORSIZE), SECTORSIZE, &retlen,
movebuf);
if (ret < 0 && ret != -EUCLEAN) {
if (ret < 0 && !mtd_is_bitflip(ret)) {
ret = mtd->read(mtd,
(inftl->EraseSize * BlockMap[block]) +
(block * SECTORSIZE), SECTORSIZE,
@ -917,7 +917,7 @@ foundit:
int ret = mtd->read(mtd, ptr, SECTORSIZE, &retlen, buffer);
/* Handle corrected bit flips gracefully */
if (ret < 0 && ret != -EUCLEAN)
if (ret < 0 && !mtd_is_bitflip(ret))
return -EIO;
}
return 0;

4
drivers/mtd/mtdchar.c
View file

@ -242,7 +242,7 @@ static ssize_t mtd_read(struct file *file, char __user *buf, size_t count,loff_t
* Userspace software which accesses NAND this way
* must be aware of the fact that it deals with NAND
*/
if (!ret || (ret == -EUCLEAN) || (ret == -EBADMSG)) {
if (!ret || mtd_is_bitflip_or_eccerr(ret)) {
*ppos += retlen;
if (copy_to_user(buf, kbuf, retlen)) {
kfree(kbuf);
@ -491,7 +491,7 @@ static int mtd_do_readoob(struct file *file, struct mtd_info *mtd,
* does not calculate ECC for the OOB area, so do not rely on
* this behavior unless you have replaced it with your own.
*/
if (ret == -EUCLEAN || ret == -EBADMSG)
if (mtd_is_bitflip_or_eccerr(ret))
return 0;
return ret;

8
drivers/mtd/mtdconcat.c
View file

@ -95,10 +95,10 @@ concat_read(struct mtd_info *mtd, loff_t from, size_t len,
/* Save information about bitflips! */
if (unlikely(err)) {
if (err == -EBADMSG) {
if (mtd_is_eccerr(err)) {
mtd->ecc_stats.failed++;
ret = err;
} else if (err == -EUCLEAN) {
} else if (mtd_is_bitflip(err)) {
mtd->ecc_stats.corrected++;
/* Do not overwrite -EBADMSG !! */
if (!ret)
@ -279,10 +279,10 @@ concat_read_oob(struct mtd_info *mtd, loff_t from, struct mtd_oob_ops *ops)
/* Save information about bitflips! */
if (unlikely(err)) {
if (err == -EBADMSG) {
if (mtd_is_eccerr(err)) {
mtd->ecc_stats.failed++;
ret = err;
} else if (err == -EUCLEAN) {
} else if (mtd_is_bitflip(err)) {
mtd->ecc_stats.corrected++;
/* Do not overwrite -EBADMSG !! */
if (!ret)

2
drivers/mtd/mtdoops.c
View file

@ -258,7 +258,7 @@ static void find_next_position(struct mtdoops_context *cxt)
ret = mtd->read(mtd, page * record_size, MTDOOPS_HEADER_SIZE,
&retlen, (u_char *) &count[0]);
if (retlen != MTDOOPS_HEADER_SIZE ||
(ret < 0 && ret != -EUCLEAN)) {
(ret < 0 && !mtd_is_bitflip(ret))) {
printk(KERN_ERR "mtdoops: read failure at %ld (%td of %d read), err %d\n",
page * record_size, retlen,
MTDOOPS_HEADER_SIZE, ret);

8
drivers/mtd/mtdpart.c
View file

@ -73,9 +73,9 @@ static int part_read(struct mtd_info *mtd, loff_t from, size_t len,
res = part->master->read(part->master, from + part->offset,
len, retlen, buf);
if (unlikely(res)) {
if (res == -EUCLEAN)
if (mtd_is_bitflip(res))
mtd->ecc_stats.corrected += part->master->ecc_stats.corrected - stats.corrected;
if (res == -EBADMSG)
if (mtd_is_eccerr(res))
mtd->ecc_stats.failed += part->master->ecc_stats.failed - stats.failed;
}
return res;
@ -142,9 +142,9 @@ static int part_read_oob(struct mtd_info *mtd, loff_t from,
res = part->master->read_oob(part->master, from + part->offset, ops);
if (unlikely(res)) {
if (res == -EUCLEAN)
if (mtd_is_bitflip(res))
mtd->ecc_stats.corrected++;
if (res == -EBADMSG)
if (mtd_is_eccerr(res))
mtd->ecc_stats.failed++;
}
return res;

20
drivers/mtd/mtdswap.c
View file

@ -314,7 +314,7 @@ static int mtdswap_read_oob(struct mtdswap_dev *d, loff_t from,
{
int ret = d->mtd->read_oob(d->mtd, from, ops);
if (ret == -EUCLEAN)
if (mtd_is_bitflip(ret))
return ret;
if (ret) {
@ -354,7 +354,7 @@ static int mtdswap_read_markers(struct mtdswap_dev *d, struct swap_eb *eb)
ret = mtdswap_read_oob(d, offset, &ops);
if (ret && ret != -EUCLEAN)
if (ret && !mtd_is_bitflip(ret))
return ret;
data = (struct mtdswap_oobdata *)d->oob_buf;
@ -363,7 +363,7 @@ static int mtdswap_read_markers(struct mtdswap_dev *d, struct swap_eb *eb)
if (le16_to_cpu(data->magic) == MTDSWAP_MAGIC_CLEAN) {
eb->erase_count = le32_to_cpu(data->count);
if (ret == -EUCLEAN)
if (mtd_is_bitflip(ret))
ret = MTDSWAP_SCANNED_BITFLIP;
else {
if (le16_to_cpu(data2->magic) == MTDSWAP_MAGIC_DIRTY)
@ -408,7 +408,7 @@ static int mtdswap_write_marker(struct mtdswap_dev *d, struct swap_eb *eb,
if (ret) {
dev_warn(d->dev, "Write OOB failed for block at %08llx "
"error %d\n", offset, ret);
if (ret == -EIO || ret == -EBADMSG)
if (ret == -EIO || mtd_is_eccerr(ret))
mtdswap_handle_write_error(d, eb);
return ret;
}
@ -628,7 +628,7 @@ static int mtdswap_map_free_block(struct mtdswap_dev *d, unsigned int page,
TREE_COUNT(d, CLEAN)--;
ret = mtdswap_write_marker(d, eb, MTDSWAP_TYPE_DIRTY);
} while (ret == -EIO || ret == -EBADMSG);
} while (ret == -EIO || mtd_is_eccerr(ret));
if (ret)
return ret;
@ -678,7 +678,7 @@ retry:
ret = mtdswap_map_free_block(d, page, bp);
eb = d->eb_data + (*bp / d->pages_per_eblk);
if (ret == -EIO || ret == -EBADMSG) {
if (ret == -EIO || mtd_is_eccerr(ret)) {
d->curr_write = NULL;
eb->active_count--;
d->revmap[*bp] = PAGE_UNDEF;
@ -690,7 +690,7 @@ retry:
writepos = (loff_t)*bp << PAGE_SHIFT;
ret = mtd->write(mtd, writepos, PAGE_SIZE, &retlen, buf);
if (ret == -EIO || ret == -EBADMSG) {
if (ret == -EIO || mtd_is_eccerr(ret)) {
d->curr_write_pos--;
eb->active_count--;
d->revmap[*bp] = PAGE_UNDEF;
@ -738,7 +738,7 @@ static int mtdswap_move_block(struct mtdswap_dev *d, unsigned int oldblock,
retry:
ret = mtd->read(mtd, readpos, PAGE_SIZE, &retlen, d->page_buf);
if (ret < 0 && ret != -EUCLEAN) {
if (ret < 0 && !mtd_is_bitflip(ret)) {
oldeb = d->eb_data + oldblock / d->pages_per_eblk;
oldeb->flags |= EBLOCK_READERR;
@ -1016,7 +1016,7 @@ static int mtdswap_gc(struct mtdswap_dev *d, unsigned int background)
if (ret == 0)
mtdswap_rb_add(d, eb, MTDSWAP_CLEAN);
else if (ret != -EIO && ret != -EBADMSG)
else if (ret != -EIO && !mtd_is_eccerr(ret))
mtdswap_rb_add(d, eb, MTDSWAP_DIRTY);
return 0;
@ -1164,7 +1164,7 @@ retry:
ret = mtd->read(mtd, readpos, PAGE_SIZE, &retlen, buf);
d->mtd_read_count++;
if (ret == -EUCLEAN) {
if (mtd_is_bitflip(ret)) {
eb->flags |= EBLOCK_BITFLIP;
mtdswap_rb_add(d, eb, MTDSWAP_BITFLIP);
ret = 0;

2
drivers/mtd/nand/diskonchip.c
View file

@ -1031,7 +1031,7 @@ static int doc200x_correct_data(struct mtd_info *mtd, u_char *dat,
WriteDOC(DOC_ECC_DIS, docptr, Mplus_ECCConf);
else
WriteDOC(DOC_ECC_DIS, docptr, ECCConf);
if (no_ecc_failures && (ret == -EBADMSG)) {
if (no_ecc_failures && mtd_is_eccerr(ret)) {
printk(KERN_ERR "suppressing ECC failure\n");
ret = 0;
}

4
drivers/mtd/nand/nand_bbt.c
View file

@ -400,7 +400,7 @@ static int scan_block_full(struct mtd_info *mtd, struct nand_bbt_descr *bd,
ret = scan_read_raw_oob(mtd, buf, offs, readlen);
/* Ignore ECC errors when checking for BBM */
if (ret && ret != -EUCLEAN && ret != -EBADMSG)
if (ret && !mtd_is_bitflip_or_eccerr(ret))
return ret;
for (j = 0; j < len; j++, buf += scanlen) {
@ -430,7 +430,7 @@ static int scan_block_fast(struct mtd_info *mtd, struct nand_bbt_descr *bd,
*/
ret = mtd->read_oob(mtd, offs, &ops);
/* Ignore ECC errors when checking for BBM */
if (ret && ret != -EUCLEAN && ret != -EBADMSG)
if (ret && !mtd_is_bitflip_or_eccerr(ret))
return ret;
if (check_short_pattern(buf, bd))

4
drivers/mtd/nftlcore.c
View file

@ -425,7 +425,7 @@ static u16 NFTL_foldchain (struct NFTLrecord *nftl, unsigned thisVUC, unsigned p
ret = mtd->read(mtd, (nftl->EraseSize * BlockMap[block]) + (block * 512),
512, &retlen, movebuf);
if (ret < 0 && ret != -EUCLEAN) {
if (ret < 0 && !mtd_is_bitflip(ret)) {
ret = mtd->read(mtd, (nftl->EraseSize * BlockMap[block])
+ (block * 512), 512, &retlen,
movebuf);
@ -773,7 +773,7 @@ static int nftl_readblock(struct mtd_blktrans_dev *mbd, unsigned long block,
size_t retlen;
int res = mtd->read(mtd, ptr, 512, &retlen, buffer);
if (res < 0 && res != -EUCLEAN)
if (res < 0 && !mtd_is_bitflip(res))
return -EIO;
}
return 0;

10
drivers/mtd/onenand/onenand_base.c
View file

@ -1079,7 +1079,7 @@ static int onenand_recover_lsb(struct mtd_info *mtd, loff_t addr, int status)
return status;
/* check if we failed due to uncorrectable error */
if (status != -EBADMSG && status != ONENAND_BBT_READ_ECC_ERROR)
if (!mtd_is_eccerr(status) && status != ONENAND_BBT_READ_ECC_ERROR)
return status;
/* check if address lies in MLC region */
@ -1159,7 +1159,7 @@ static int onenand_mlc_read_ops_nolock(struct mtd_info *mtd, loff_t from,
if (unlikely(ret))
ret = onenand_recover_lsb(mtd, from, ret);
onenand_update_bufferram(mtd, from, !ret);
if (ret == -EBADMSG)
if (mtd_is_eccerr(ret))
ret = 0;
if (ret)
break;
@ -1255,7 +1255,7 @@ static int onenand_read_ops_nolock(struct mtd_info *mtd, loff_t from,
this->command(mtd, ONENAND_CMD_READ, from, writesize);
ret = this->wait(mtd, FL_READING);
onenand_update_bufferram(mtd, from, !ret);
if (ret == -EBADMSG)
if (mtd_is_eccerr(ret))
ret = 0;
}
}
@ -1315,7 +1315,7 @@ static int onenand_read_ops_nolock(struct mtd_info *mtd, loff_t from,
/* Now wait for load */
ret = this->wait(mtd, FL_READING);
onenand_update_bufferram(mtd, from, !ret);
if (ret == -EBADMSG)
if (mtd_is_eccerr(ret))
ret = 0;
}
@ -1403,7 +1403,7 @@ static int onenand_read_oob_nolock(struct mtd_info *mtd, loff_t from,
if (unlikely(ret))
ret = onenand_recover_lsb(mtd, from, ret);
if (ret && ret != -EBADMSG) {
if (ret && !mtd_is_eccerr(ret)) {
printk(KERN_ERR "%s: read failed = 0x%x\n",
__func__, ret);
break;

4
drivers/mtd/sm_ftl.c
View file

@ -281,7 +281,7 @@ again:
ret = mtd->read_oob(mtd, sm_mkoffset(ftl, zone, block, boffset), &ops);
/* Test for unknown errors */
if (ret != 0 && ret != -EUCLEAN && ret != -EBADMSG) {
if (ret != 0 && !mtd_is_bitflip_or_eccerr(ret)) {
dbg("read of block %d at zone %d, failed due to error (%d)",
block, zone, ret);
goto again;
@ -306,7 +306,7 @@ again:
}
/* Test ECC*/
if (ret == -EBADMSG ||
if (mtd_is_eccerr(ret) ||
(ftl->smallpagenand && sm_correct_sector(buffer, oob))) {
dbg("read of block %d at zone %d, failed due to ECC error",

28
drivers/mtd/tests/mtd_pagetest.c
View file

@ -128,7 +128,7 @@ static int verify_eraseblock(int ebnum)
for (j = 0; j < pgcnt - 1; ++j, addr += pgsize) {
/* Do a read to set the internal dataRAMs to different data */
err = mtd->read(mtd, addr0, bufsize, &read, twopages);
if (err == -EUCLEAN)
if (mtd_is_bitflip(err))
err = 0;
if (err || read != bufsize) {
printk(PRINT_PREF "error: read failed at %#llx\n",
@ -136,7 +136,7 @@ static int verify_eraseblock(int ebnum)
return err;
}
err = mtd->read(mtd, addrn - bufsize, bufsize, &read, twopages);
if (err == -EUCLEAN)
if (mtd_is_bitflip(err))
err = 0;
if (err || read != bufsize) {
printk(PRINT_PREF "error: read failed at %#llx\n",
@ -146,7 +146,7 @@ static int verify_eraseblock(int ebnum)
memset(twopages, 0, bufsize);
read = 0;
err = mtd->read(mtd, addr, bufsize, &read, twopages);
if (err == -EUCLEAN)
if (mtd_is_bitflip(err))
err = 0;
if (err || read != bufsize) {
printk(PRINT_PREF "error: read failed at %#llx\n",
@ -164,7 +164,7 @@ static int verify_eraseblock(int ebnum)
unsigned long oldnext = next;
/* Do a read to set the internal dataRAMs to different data */
err = mtd->read(mtd, addr0, bufsize, &read, twopages);
if (err == -EUCLEAN)
if (mtd_is_bitflip(err))
err = 0;
if (err || read != bufsize) {
printk(PRINT_PREF "error: read failed at %#llx\n",
@ -172,7 +172,7 @@ static int verify_eraseblock(int ebnum)
return err;
}
err = mtd->read(mtd, addrn - bufsize, bufsize, &read, twopages);
if (err == -EUCLEAN)
if (mtd_is_bitflip(err))
err = 0;
if (err || read != bufsize) {
printk(PRINT_PREF "error: read failed at %#llx\n",
@ -182,7 +182,7 @@ static int verify_eraseblock(int ebnum)
memset(twopages, 0, bufsize);
read = 0;
err = mtd->read(mtd, addr, bufsize, &read, twopages);
if (err == -EUCLEAN)
if (mtd_is_bitflip(err))
err = 0;
if (err || read != bufsize) {
printk(PRINT_PREF "error: read failed at %#llx\n",
@ -231,7 +231,7 @@ static int crosstest(void)
read = 0;
addr = addrn - pgsize - pgsize;
err = mtd->read(mtd, addr, pgsize, &read, pp1);
if (err == -EUCLEAN)
if (mtd_is_bitflip(err))
err = 0;
if (err || read != pgsize) {
printk(PRINT_PREF "error: read failed at %#llx\n",
@ -244,7 +244,7 @@ static int crosstest(void)
read = 0;
addr = addrn - pgsize - pgsize - pgsize;
err = mtd->read(mtd, addr, pgsize, &read, pp1);
if (err == -EUCLEAN)
if (mtd_is_bitflip(err))
err = 0;
if (err || read != pgsize) {
printk(PRINT_PREF "error: read failed at %#llx\n",
@ -258,7 +258,7 @@ static int crosstest(void)
addr = addr0;
printk(PRINT_PREF "reading page at %#llx\n", (long long)addr);
err = mtd->read(mtd, addr, pgsize, &read, pp2);
if (err == -EUCLEAN)
if (mtd_is_bitflip(err))
err = 0;
if (err || read != pgsize) {
printk(PRINT_PREF "error: read failed at %#llx\n",
@ -272,7 +272,7 @@ static int crosstest(void)
addr = addrn - pgsize;
printk(PRINT_PREF "reading page at %#llx\n", (long long)addr);
err = mtd->read(mtd, addr, pgsize, &read, pp3);
if (err == -EUCLEAN)
if (mtd_is_bitflip(err))
err = 0;
if (err || read != pgsize) {
printk(PRINT_PREF "error: read failed at %#llx\n",
@ -286,7 +286,7 @@ static int crosstest(void)
addr = addr0;
printk(PRINT_PREF "reading page at %#llx\n", (long long)addr);
err = mtd->read(mtd, addr, pgsize, &read, pp4);
if (err == -EUCLEAN)
if (mtd_is_bitflip(err))
err = 0;
if (err || read != pgsize) {
printk(PRINT_PREF "error: read failed at %#llx\n",
@ -345,7 +345,7 @@ static int erasecrosstest(void)
printk(PRINT_PREF "reading 1st page of block %d\n", ebnum);
memset(readbuf, 0, pgsize);
err = mtd->read(mtd, addr0, pgsize, &read, readbuf);
if (err == -EUCLEAN)
if (mtd_is_bitflip(err))
err = 0;
if (err || read != pgsize) {
printk(PRINT_PREF "error: read failed at %#llx\n",
@ -383,7 +383,7 @@ static int erasecrosstest(void)
printk(PRINT_PREF "reading 1st page of block %d\n", ebnum);
memset(readbuf, 0, pgsize);
err = mtd->read(mtd, addr0, pgsize, &read, readbuf);
if (err == -EUCLEAN)
if (mtd_is_bitflip(err))
err = 0;
if (err || read != pgsize) {
printk(PRINT_PREF "error: read failed at %#llx\n",
@ -439,7 +439,7 @@ static int erasetest(void)
printk(PRINT_PREF "reading 1st page of block %d\n", ebnum);
err = mtd->read(mtd, addr0, pgsize, &read, twopages);
if (err == -EUCLEAN)
if (mtd_is_bitflip(err))
err = 0;
if (err || read != pgsize) {
printk(PRINT_PREF "error: read failed at %#llx\n",

2
drivers/mtd/tests/mtd_readtest.c
View file

@ -75,7 +75,7 @@ static int read_eraseblock_by_page(int ebnum)
ops.datbuf = NULL;
ops.oobbuf = oobbuf;
ret = mtd->read_oob(mtd, addr, &ops);
if ((ret && ret != -EUCLEAN) ||
if ((ret && !mtd_is_bitflip(ret)) ||
ops.oobretlen != mtd->oobsize) {
printk(PRINT_PREF "error: read oob failed at "
"%#llx\n", (long long)addr);

8
drivers/mtd/tests/mtd_speedtest.c
View file

@ -216,7 +216,7 @@ static int read_eraseblock(int ebnum)
err = mtd->read(mtd, addr, mtd->erasesize, &read, iobuf);
/* Ignore corrected ECC errors */
if (err == -EUCLEAN)
if (mtd_is_bitflip(err))
err = 0;
if (err || read != mtd->erasesize) {
printk(PRINT_PREF "error: read failed at %#llx\n", addr);
@ -237,7 +237,7 @@ static int read_eraseblock_by_page(int ebnum)
for (i = 0; i < pgcnt; i++) {
err = mtd->read(mtd, addr, pgsize, &read, buf);
/* Ignore corrected ECC errors */
if (err == -EUCLEAN)
if (mtd_is_bitflip(err))
err = 0;
if (err || read != pgsize) {
printk(PRINT_PREF "error: read failed at %#llx\n",
@ -263,7 +263,7 @@ static int read_eraseblock_by_2pages(int ebnum)
for (i = 0; i < n; i++) {
err = mtd->read(mtd, addr, sz, &read, buf);
/* Ignore corrected ECC errors */
if (err == -EUCLEAN)
if (mtd_is_bitflip(err))
err = 0;
if (err || read != sz) {
printk(PRINT_PREF "error: read failed at %#llx\n",
@ -278,7 +278,7 @@ static int read_eraseblock_by_2pages(int ebnum)
if (pgcnt % 2) {
err = mtd->read(mtd, addr, pgsize, &read, buf);
/* Ignore corrected ECC errors */
if (err == -EUCLEAN)
if (mtd_is_bitflip(err))
err = 0;
if (err || read != pgsize) {
printk(PRINT_PREF "error: read failed at %#llx\n",

2
drivers/mtd/tests/mtd_stresstest.c
View file

@ -154,7 +154,7 @@ static int do_read(void)
}
addr = eb * mtd->erasesize + offs;
err = mtd->read(mtd, addr, len, &read, readbuf);
if (err == -EUCLEAN)
if (mtd_is_bitflip(err))
err = 0;
if (unlikely(err || read != len)) {
printk(PRINT_PREF "error: read failed at 0x%llx\n",

8
drivers/mtd/tests/mtd_subpagetest.c
View file

@ -198,7 +198,7 @@ static int verify_eraseblock(int ebnum)
read = 0;
err = mtd->read(mtd, addr, subpgsize, &read, readbuf);
if (unlikely(err || read != subpgsize)) {
if (err == -EUCLEAN && read == subpgsize) {
if (mtd_is_bitflip(err) && read == subpgsize) {
printk(PRINT_PREF "ECC correction at %#llx\n",
(long long)addr);
err = 0;
@ -226,7 +226,7 @@ static int verify_eraseblock(int ebnum)
read = 0;
err = mtd->read(mtd, addr, subpgsize, &read, readbuf);
if (unlikely(err || read != subpgsize)) {
if (err == -EUCLEAN && read == subpgsize) {
if (mtd_is_bitflip(err) && read == subpgsize) {
printk(PRINT_PREF "ECC correction at %#llx\n",
(long long)addr);
err = 0;
@ -264,7 +264,7 @@ static int verify_eraseblock2(int ebnum)
read = 0;
err = mtd->read(mtd, addr, subpgsize * k, &read, readbuf);
if (unlikely(err || read != subpgsize * k)) {
if (err == -EUCLEAN && read == subpgsize * k) {
if (mtd_is_bitflip(err) && read == subpgsize * k) {
printk(PRINT_PREF "ECC correction at %#llx\n",
(long long)addr);
err = 0;
@ -298,7 +298,7 @@ static int verify_eraseblock_ff(int ebnum)
read = 0;
err = mtd->read(mtd, addr, subpgsize, &read, readbuf);
if (unlikely(err || read != subpgsize)) {
if (err == -EUCLEAN && read == subpgsize) {
if (mtd_is_bitflip(err) && read == subpgsize) {
printk(PRINT_PREF "ECC correction at %#llx\n",
(long long)addr);
err = 0;

2
drivers/mtd/tests/mtd_torturetest.c
View file

@ -138,7 +138,7 @@ static inline int check_eraseblock(int ebnum, unsigned char *buf)
retry:
err = mtd->read(mtd, addr, len, &read, check_buf);
if (err == -EUCLEAN)
if (mtd_is_bitflip(err))
printk(PRINT_PREF "single bit flip occurred at EB %d "
"MTD reported that it was fixed.\n", ebnum);
else if (err) {

2
drivers/mtd/ubi/eba.c
View file

@ -443,7 +443,7 @@ retry:
if (err == UBI_IO_BITFLIPS) {
scrub = 1;
err = 0;
} else if (err == -EBADMSG) {
} else if (mtd_is_eccerr(err)) {
if (vol->vol_type == UBI_DYNAMIC_VOLUME)
goto out_unlock;
scrub = 1;

24
drivers/mtd/ubi/io.c
View file

@ -172,9 +172,9 @@ int ubi_io_read(const struct ubi_device *ubi, void *buf, int pnum, int offset,
retry:
err = ubi->mtd->read(ubi->mtd, addr, len, &read, buf);
if (err) {
const char *errstr = (err == -EBADMSG) ? " (ECC error)" : "";
const char *errstr = mtd_is_eccerr(err) ? " (ECC error)" : "";
if (err == -EUCLEAN) {
if (mtd_is_bitflip(err)) {
/*
* -EUCLEAN is reported if there was a bit-flip which
* was corrected, so this is harmless.
@ -205,7 +205,7 @@ retry:
* all the requested data. But some buggy drivers might do
* this, so we change it to -EIO.
*/
if (read != len && err == -EBADMSG) {
if (read != len && mtd_is_eccerr(err)) {
ubi_assert(0);
err = -EIO;
}
@ -469,7 +469,7 @@ static int torture_peb(struct ubi_device *ubi, int pnum)
out:
mutex_unlock(&ubi->buf_mutex);
if (err == UBI_IO_BITFLIPS || err == -EBADMSG) {
if (err == UBI_IO_BITFLIPS || mtd_is_eccerr(err)) {
/*
* If a bit-flip or data integrity error was detected, the test
* has not passed because it happened on a freshly erased
@ -760,7 +760,7 @@ int ubi_io_read_ec_hdr(struct ubi_device *ubi, int pnum,
read_err = ubi_io_read(ubi, ec_hdr, pnum, 0, UBI_EC_HDR_SIZE);
if (read_err) {
if (read_err != UBI_IO_BITFLIPS && read_err != -EBADMSG)
if (read_err != UBI_IO_BITFLIPS && !mtd_is_eccerr(read_err))
return read_err;
/*
@ -776,7 +776,7 @@ int ubi_io_read_ec_hdr(struct ubi_device *ubi, int pnum,
magic = be32_to_cpu(ec_hdr->magic);
if (magic != UBI_EC_HDR_MAGIC) {
if (read_err == -EBADMSG)
if (mtd_is_eccerr(read_err))
return UBI_IO_BAD_HDR_EBADMSG;
/*
@ -1032,12 +1032,12 @@ int ubi_io_read_vid_hdr(struct ubi_device *ubi, int pnum,
p = (char *)vid_hdr - ubi->vid_hdr_shift;
read_err = ubi_io_read(ubi, p, pnum, ubi->vid_hdr_aloffset,
ubi->vid_hdr_alsize);
if (read_err && read_err != UBI_IO_BITFLIPS && read_err != -EBADMSG)
if (read_err && read_err != UBI_IO_BITFLIPS && !mtd_is_eccerr(read_err))
return read_err;
magic = be32_to_cpu(vid_hdr->magic);
if (magic != UBI_VID_HDR_MAGIC) {
if (read_err == -EBADMSG)
if (mtd_is_eccerr(read_err))
return UBI_IO_BAD_HDR_EBADMSG;
if (ubi_check_pattern(vid_hdr, 0xFF, UBI_VID_HDR_SIZE)) {
@ -1219,7 +1219,7 @@ static int paranoid_check_peb_ec_hdr(const struct ubi_device *ubi, int pnum)
return -ENOMEM;
err = ubi_io_read(ubi, ec_hdr, pnum, 0, UBI_EC_HDR_SIZE);
if (err && err != UBI_IO_BITFLIPS && err != -EBADMSG)
if (err && err != UBI_IO_BITFLIPS && !mtd_is_eccerr(err))
goto exit;
crc = crc32(UBI_CRC32_INIT, ec_hdr, UBI_EC_HDR_SIZE_CRC);
@ -1306,7 +1306,7 @@ static int paranoid_check_peb_vid_hdr(const struct ubi_device *ubi, int pnum)
p = (char *)vid_hdr - ubi->vid_hdr_shift;
err = ubi_io_read(ubi, p, pnum, ubi->vid_hdr_aloffset,
ubi->vid_hdr_alsize);
if (err && err != UBI_IO_BITFLIPS && err != -EBADMSG)
if (err && err != UBI_IO_BITFLIPS && !mtd_is_eccerr(err))
goto exit;
crc = crc32(UBI_CRC32_INIT, vid_hdr, UBI_EC_HDR_SIZE_CRC);
@ -1358,7 +1358,7 @@ int ubi_dbg_check_write(struct ubi_device *ubi, const void *buf, int pnum,
}
err = ubi->mtd->read(ubi->mtd, addr, len, &read, buf1);
if (err && err != -EUCLEAN)
if (err && !mtd_is_bitflip(err))
goto out_free;
for (i = 0; i < len; i++) {
@ -1422,7 +1422,7 @@ int ubi_dbg_check_all_ff(struct ubi_device *ubi, int pnum, int offset, int len)
}
err = ubi->mtd->read(ubi->mtd, addr, len, &read, buf);
if (err && err != -EUCLEAN) {
if (err && !mtd_is_bitflip(err)) {
ubi_err("error %d while reading %d bytes from PEB %d:%d, "
"read %zd bytes", err, len, pnum, offset, read);
goto error;

2
drivers/mtd/ubi/kapi.c
View file

@ -410,7 +410,7 @@ int ubi_leb_read(struct ubi_volume_desc *desc, int lnum, char *buf, int offset,
return 0;
err = ubi_eba_read_leb(ubi, vol, lnum, buf, offset, len, check);
if (err && err == -EBADMSG && vol->vol_type == UBI_STATIC_VOLUME) {
if (err && mtd_is_eccerr(err) && vol->vol_type == UBI_STATIC_VOLUME) {
ubi_warn("mark volume %d as corrupted", vol_id);
vol->corrupted = 1;
}

2
drivers/mtd/ubi/misc.c
View file

@ -81,7 +81,7 @@ int ubi_check_volume(struct ubi_device *ubi, int vol_id)
err = ubi_eba_read_leb(ubi, vol, i, buf, 0, size, 1);
if (err) {
if (err == -EBADMSG)
if (mtd_is_eccerr(err))
err = 1;
break;
}

4
drivers/mtd/ubi/scan.c
View file

@ -395,7 +395,7 @@ static int compare_lebs(struct ubi_device *ubi, const struct ubi_scan_leb *seb,
}
err = ubi_io_read_data(ubi, buf, pnum, 0, len);
if (err && err != UBI_IO_BITFLIPS && err != -EBADMSG)
if (err && err != UBI_IO_BITFLIPS && !mtd_is_eccerr(err))
goto out_free_buf;
data_crc = be32_to_cpu(vid_hdr->data_crc);
@ -793,7 +793,7 @@ static int check_corruption(struct ubi_device *ubi, struct ubi_vid_hdr *vid_hdr,
err = ubi_io_read(ubi, ubi->peb_buf1, pnum, ubi->leb_start,
ubi->leb_size);
if (err == UBI_IO_BITFLIPS || err == -EBADMSG) {
if (err == UBI_IO_BITFLIPS || mtd_is_eccerr(err)) {
/*
* Bit-flips or integrity errors while reading the data area.
* It is difficult to say for sure what type of corruption is

2
drivers/mtd/ubi/vtbl.c
View file

@ -423,7 +423,7 @@ static struct ubi_vtbl_record *process_lvol(struct ubi_device *ubi,
err = ubi_io_read_data(ubi, leb[seb->lnum], seb->pnum, 0,
ubi->vtbl_size);
if (err == UBI_IO_BITFLIPS || err == -EBADMSG)
if (err == UBI_IO_BITFLIPS || mtd_is_eccerr(err))
/*
* Scrub the PEB later. Note, -EBADMSG indicates an
* uncorrectable ECC error, but we have our own CRC and