* [PATCH] pNFS: Fix NULL dereference in pnfs_generic_alloc_ds_commits
@ 2017-05-03 16:30 Trond Myklebust
0 siblings, 0 replies; only message in thread
From: Trond Myklebust @ 2017-05-03 16:30 UTC (permalink / raw)
To: linux-nfs; +Cc: Fred Isaman
From: Fred Isaman <fred.isaman@gmail.com>
Signed-off-by: Fred Isaman <fred.isaman@gmail.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
---
fs/nfs/pnfs_nfs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/nfs/pnfs_nfs.c b/fs/nfs/pnfs_nfs.c
index ae600ab1a646..d40755a0984b 100644
--- a/fs/nfs/pnfs_nfs.c
+++ b/fs/nfs/pnfs_nfs.c
@@ -221,7 +221,7 @@ pnfs_generic_alloc_ds_commits(struct nfs_commit_info *cinfo,
* If the layout segment is invalid, then let
* pnfs_generic_retry_commit() clean up the bucket.
*/
- if (!pnfs_is_valid_lseg(bucket->clseg) &&
+ if (bucket->clseg && !pnfs_is_valid_lseg(bucket->clseg) &&
!test_bit(NFS_LSEG_LAYOUTRETURN, &bucket->clseg->pls_flags))
break;
data = nfs_commitdata_alloc(false);
--
2.9.3
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2017-05-03 16:30 [PATCH] pNFS: Fix NULL dereference in pnfs_generic_alloc_ds_commits Trond Myklebust
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