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Merge branch 'for-linus' of git://www.jni.nu/cris

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* 'for-linus' of git://www.jni.nu/cris:
  CRISv10: remove redundant tests on unsigned
  CRISv32: irq.c - Move end brace outside #endif
  CRISv32: Fix potential null reference in cryptocop driver.
  CRISv32: Add arch optimized strcmp.
  CRIS: assignment/is equal confusion
This commit is contained in:
Linus Torvalds 2009-06-23 10:47:01 -07:00
commit a800faec1b
7 changed files with 36 additions and 9 deletions
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4
arch/cris/arch-v10/kernel/dma.c
View file

@ -24,7 +24,7 @@ int cris_request_dma(unsigned int dmanr, const char * device_id,
unsigned long int gens;
int fail = -EINVAL;
if ((dmanr < 0) || (dmanr >= MAX_DMA_CHANNELS)) {
if (dmanr >= MAX_DMA_CHANNELS) {
printk(KERN_CRIT "cris_request_dma: invalid DMA channel %u\n", dmanr);
return -EINVAL;
}
@ -213,7 +213,7 @@ int cris_request_dma(unsigned int dmanr, const char * device_id,
void cris_free_dma(unsigned int dmanr, const char * device_id)
{
unsigned long flags;
if ((dmanr < 0) || (dmanr >= MAX_DMA_CHANNELS)) {
if (dmanr >= MAX_DMA_CHANNELS) {
printk(KERN_CRIT "cris_free_dma: invalid DMA channel %u\n", dmanr);
return;
}

4
arch/cris/arch-v32/drivers/cryptocop.c
View file

@ -1395,7 +1395,7 @@ static int create_md5_pad(int alloc_flag, unsigned long long hashed_length, char
if (padlen < MD5_MIN_PAD_LENGTH) padlen += MD5_BLOCK_LENGTH;
p = kmalloc(padlen, alloc_flag);
if (!pad) return -ENOMEM;
if (!p) return -ENOMEM;
*p = 0x80;
memset(p+1, 0, padlen - 1);
@ -1427,7 +1427,7 @@ static int create_sha1_pad(int alloc_flag, unsigned long long hashed_length, cha
if (padlen < SHA1_MIN_PAD_LENGTH) padlen += SHA1_BLOCK_LENGTH;
p = kmalloc(padlen, alloc_flag);
if (!pad) return -ENOMEM;
if (!p) return -ENOMEM;
*p = 0x80;
memset(p+1, 0, padlen - 1);

2
arch/cris/arch-v32/kernel/irq.c
View file

@ -430,8 +430,8 @@ crisv32_do_multiple(struct pt_regs* regs)
masked[i] &= ~TIMER_MASK;
do_IRQ(TIMER0_INTR_VECT, regs);
}
}
#endif
}
#ifdef IGNORE_MASK
/* Remove IRQs that can't be handled as multiple. */

2
arch/cris/arch-v32/lib/Makefile
View file

@ -3,5 +3,5 @@
#
lib-y = checksum.o checksumcopy.o string.o usercopy.o memset.o \
csumcpfruser.o spinlock.o delay.o
csumcpfruser.o spinlock.o delay.o strcmp.o

21
arch/cris/arch-v32/lib/strcmp.S Normal file
View file

@ -0,0 +1,21 @@
; strcmp.S -- CRISv32 version.
; Copyright (C) 2008 AXIS Communications AB
; Written by Edgar E. Iglesias
;
; This source code is licensed under the GNU General Public License,
; Version 2. See the file COPYING for more details.
.global strcmp
.type strcmp,@function
strcmp:
1:
move.b [$r10+], $r12
seq $r13
sub.b [$r11+], $r12
or.b $r12, $r13
beq 1b
nop
ret
movs.b $r12, $r10
.size strcmp, . - strcmp

6
arch/cris/include/arch-v32/arch/spinlock.h
View file

@ -78,7 +78,7 @@ static inline void __raw_write_lock(raw_rwlock_t *rw)
{
__raw_spin_lock(&rw->slock);
while (rw->lock != RW_LOCK_BIAS);
rw->lock == 0;
rw->lock = 0;
__raw_spin_unlock(&rw->slock);
}
@ -93,7 +93,7 @@ static inline void __raw_write_unlock(raw_rwlock_t *rw)
{
__raw_spin_lock(&rw->slock);
while (rw->lock != RW_LOCK_BIAS);
rw->lock == RW_LOCK_BIAS;
rw->lock = RW_LOCK_BIAS;
__raw_spin_unlock(&rw->slock);
}
@ -114,7 +114,7 @@ static inline int __raw_write_trylock(raw_rwlock_t *rw)
int ret = 0;
__raw_spin_lock(&rw->slock);
if (rw->lock == RW_LOCK_BIAS) {
rw->lock == 0;
rw->lock = 0;
ret = 1;
}
__raw_spin_unlock(&rw->slock);

6
arch/cris/include/asm/string.h
View file

@ -11,4 +11,10 @@ extern void *memcpy(void *, const void *, size_t);
#define __HAVE_ARCH_MEMSET
extern void *memset(void *, int, size_t);
#ifdef CONFIG_ETRAX_ARCH_V32
/* For v32 we provide strcmp. */
#define __HAVE_ARCH_STRCMP
extern int strcmp(const char *s1, const char *s2);
#endif
#endif