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Merge tag 'nfs-for-4.4-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

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Pull NFS client bugfix from Trond Myklebust:
 "SUNRPC: Fix a NFSv4.1 callback channel regression"

* tag 'nfs-for-4.4-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
  SUNRPC: Fix callback channel
This commit is contained in:
Linus Torvalds
2015-12-13 12:46:04 -08:00
parent dec9cbf97d 756b9b37cf
commit fc89182834
3 changed files with 14 additions and 13 deletions
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7
fs/nfs/callback_xdr.c
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@@ -78,8 +78,7 @@ static __be32 *read_buf(struct xdr_stream *xdr, int nbytes)
p = xdr_inline_decode(xdr, nbytes);
if (unlikely(p == NULL))
printk(KERN_WARNING "NFS: NFSv4 callback reply buffer overflowed "
"or truncated request.\n");
printk(KERN_WARNING "NFS: NFSv4 callback reply buffer overflowed!\n");
return p;
}
@@ -890,7 +889,6 @@ static __be32 nfs4_callback_compound(struct svc_rqst *rqstp, void *argp, void *r
struct cb_compound_hdr_arg hdr_arg = { 0 };
struct cb_compound_hdr_res hdr_res = { NULL };
struct xdr_stream xdr_in, xdr_out;
struct xdr_buf *rq_arg = &rqstp->rq_arg;
__be32 *p, status;
struct cb_process_state cps = {
.drc_status = 0,
@@ -902,8 +900,7 @@ static __be32 nfs4_callback_compound(struct svc_rqst *rqstp, void *argp, void *r
dprintk("%s: start\n", __func__);
rq_arg->len = rq_arg->head[0].iov_len + rq_arg->page_len;
xdr_init_decode(&xdr_in, rq_arg, rq_arg->head[0].iov_base);
xdr_init_decode(&xdr_in, &rqstp->rq_arg, rqstp->rq_arg.head[0].iov_base);
p = (__be32*)((char *)rqstp->rq_res.head[0].iov_base + rqstp->rq_res.head[0].iov_len);
xdr_init_encode(&xdr_out, &rqstp->rq_res, p);