If we exit because the file access check failed, we currently
leak the struct nfs4_state. We need to attach it to the
open context before returning.
Fixes: 3efb9722475e ("NFSv4: Refactor _nfs4_open_and_get_state..")
Cc: stable@xxxxxxxxxxxxxxx # 3.10+
Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
---
fs/nfs/nfs4proc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 0a0eaecf9676..8ab520b67a1d 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -2730,6 +2730,7 @@ static int _nfs4_open_and_get_state(struct nfs4_opendata *opendata,
ret = PTR_ERR(state);
if (IS_ERR(state))
goto out;
+ ctx->state = state;
if (server->caps & NFS_CAP_POSIX_LOCK)
set_bit(NFS_STATE_POSIX_LOCKS, &state->flags);
if (opendata->o_res.rflags & NFS4_OPEN_RESULT_MAY_NOTIFY_LOCK)
@@ -2755,7 +2756,6 @@ static int _nfs4_open_and_get_state(struct nfs4_opendata *opendata,
if (ret != 0)
goto out;
- ctx->state = state;
if (d_inode(dentry) == state->inode) {
nfs_inode_attach_open_context(ctx);
if (read_seqcount_retry(&sp->so_reclaim_seqcount, seq))
--
2.9.3
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