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Subject[PATCH 3.12 034/170] pNFS: Handle allocation errors correctly in filelayout_alloc_layout_hdr()
Date
From: Trond Myklebust <trond.myklebust@primarydata.com>

3.12-stable review patch. If anyone has any objections, please let me know.

===============

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: Jiri Slaby <jslaby@suse.cz>
---
fs/nfs/nfs4filelayout.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/nfs/nfs4filelayout.c b/fs/nfs/nfs4filelayout.c
index 394b0a0c54bf..3c27659aba7b 100644
--- a/fs/nfs/nfs4filelayout.c
+++ b/fs/nfs/nfs4filelayout.c
@@ -1330,7 +1330,7 @@ filelayout_alloc_layout_hdr(struct inode *inode, gfp_t gfp_flags)
struct nfs4_filelayout *flo;

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

static void
--
2.0.0


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