[PATCH 3.10 23/46] pNFS: Handle allocation errors correctly in filelayout_alloc_layout_hdr()

Greg Kroah-Hartman
2014-07-04T22:27:59Z

From: Trond Myklebust <trond.myklebust@primarydata.com>

commit 6df200f5d5191bdde4d2e408215383890f956781 upstream.

Return the NULL pointer when the allocation fails.

Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
fs/nfs/nfs4filelayout.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/fs/nfs/nfs4filelayout.c
+++ b/fs/nfs/nfs4filelayout.c
@@ -1300,7 +1300,7 @@ filelayout_alloc_layout_hdr(struct inode
struct nfs4_filelayout *flo;

flo = kzalloc(sizeof(*flo), gfp_flags);
- return &flo->generic_hdr;
+ return flo != NULL ? &flo->generic_hdr : NULL;
}

static void