From: Tom Haynes <loghyr@xxxxxxxxxxxxxxx>
Callers of pnfs_put_lseg_async() might encounter no writes to
be committed, etc. As such, do not attempt to add work if none
is needed. Also, don't oops if that is the case.
Signed-off-by: Tom Haynes <loghyr@xxxxxxxxxxxxxxx>
---
fs/nfs/pnfs.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 76de7f5..08b1060 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -373,6 +373,9 @@ static void pnfs_put_lseg_async_work(struct work_struct *work)
void
pnfs_put_lseg_async(struct pnfs_layout_segment *lseg)
{
+ if (!lseg)
+ return;
+
INIT_WORK(&lseg->pls_work, pnfs_put_lseg_async_work);
schedule_work(&lseg->pls_work);
}
--
1.9.3
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