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nfs41: store minorversion in cb_compound_hdr_arg

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Signed-off-by: Benny Halevy <bhalevy@panasas.com>
This commit is contained in:
Benny Halevy 2009-04-01 09:23:19 -04:00
parent 5a0ffe544c
commit b8f2ef84b0
2 changed files with 8 additions and 5 deletions
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1
fs/nfs/callback.h
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@ -26,6 +26,7 @@ enum nfs4_callback_opnum {
struct cb_compound_hdr_arg {
unsigned int taglen;
const char *tag;
unsigned int minorversion;
unsigned int callback_ident;
unsigned nops;
};

12
fs/nfs/callback_xdr.c
View file

@ -132,7 +132,6 @@ static __be32 decode_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid)
static __be32 decode_compound_hdr_arg(struct xdr_stream *xdr, struct cb_compound_hdr_arg *hdr)
{
__be32 *p;
unsigned int minor_version;
__be32 status;
status = decode_string(xdr, &hdr->taglen, &hdr->tag);
@ -147,15 +146,18 @@ static __be32 decode_compound_hdr_arg(struct xdr_stream *xdr, struct cb_compound
p = read_buf(xdr, 12);
if (unlikely(p == NULL))
return htonl(NFS4ERR_RESOURCE);
minor_version = ntohl(*p++);
hdr->minorversion = ntohl(*p++);
/* Check minor version is zero. */
if (minor_version != 0) {
printk(KERN_WARNING "%s: NFSv4 server callback with illegal minor version %u!\n",
__func__, minor_version);
if (hdr->minorversion != 0) {
printk(KERN_WARNING "%s: NFSv4 server callback with "
"illegal minor version %u!\n",
__func__, hdr->minorversion);
return htonl(NFS4ERR_MINOR_VERS_MISMATCH);
}
hdr->callback_ident = ntohl(*p++);
hdr->nops = ntohl(*p);
dprintk("%s: minorversion %d nops %d\n", __func__,
hdr->minorversion, hdr->nops);
return 0;
}