Ensure that pnfs_find_alloc_layout() always returns a reference
to the pnfs_layout_hdr, which will be matched by the final call to
pnfs_put_layout_hdr() in pnfs_update_layout().
Signed-off-by: Trond Myklebust <Trond.Myklebust@xxxxxxxxxx>
---
fs/nfs/pnfs.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 196b8bb..bdb70cc 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -884,8 +884,8 @@ pnfs_find_alloc_layout(struct inode *ino,
if (nfsi->layout) {
if (test_bit(NFS_LAYOUT_DESTROYED, &nfsi->layout->plh_flags))
return NULL;
- else
- return nfsi->layout;
+ pnfs_get_layout_hdr(nfsi->layout);
+ return nfsi->layout;
}
spin_unlock(&ino->i_lock);
new = alloc_init_layout_hdr(ino, ctx, gfp_flags);
--
1.7.11.4
--
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