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Merge branch 'for-3.19' of git://linux-nfs.org/~bfields/linux

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Pull two nfsd bugfixes from Bruce Fields.

* 'for-3.19' of git://linux-nfs.org/~bfields/linux:
  rpc: fix xdr_truncate_encode to handle buffer ending on page boundary
  nfsd: fix fi_delegees leak when fi_had_conflict returns true
This commit is contained in:
Linus Torvalds 2015-01-09 18:10:48 -08:00
commit dc9319f5a3
2 changed files with 4 additions and 4 deletions
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2
fs/nfsd/nfs4state.c
View File

@ -3897,11 +3897,11 @@ nfs4_set_delegation(struct nfs4_client *clp, struct svc_fh *fh,
status = nfs4_setlease(dp);
goto out;
}
atomic_inc(&fp->fi_delegees);
if (fp->fi_had_conflict) {
status = -EAGAIN;
goto out_unlock;
}
atomic_inc(&fp->fi_delegees);
hash_delegation_locked(dp, fp);
status = 0;
out_unlock:

6
net/sunrpc/xdr.c
View File

@ -606,7 +606,7 @@ void xdr_truncate_encode(struct xdr_stream *xdr, size_t len)
struct kvec *head = buf->head;
struct kvec *tail = buf->tail;
int fraglen;
int new, old;
int new;
if (len > buf->len) {
WARN_ON_ONCE(1);
@ -629,8 +629,8 @@ void xdr_truncate_encode(struct xdr_stream *xdr, size_t len)
buf->len -= fraglen;
new = buf->page_base + buf->page_len;
old = new + fraglen;
xdr->page_ptr -= (old >> PAGE_SHIFT) - (new >> PAGE_SHIFT);
xdr->page_ptr = buf->pages + (new >> PAGE_SHIFT);
if (buf->page_len) {
xdr->p = page_address(*xdr->page_ptr);