[PATCH 1/1] lockd: crashes in svcxdr_encode_owner

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



svcxdr_encode_owner needs to handle case where no lock owner
info to pass back, obj->len == 0.

Fixes: a6a63ca5652e ("lockd: Common NLM XDR helpers")
Signed-off-by: Dai Ngo <dai.ngo@xxxxxxxxxx>
---
 fs/lockd/svcxdr.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/lockd/svcxdr.h b/fs/lockd/svcxdr.h
index c69a0bb76c94..04fde20ea8c1 100644
--- a/fs/lockd/svcxdr.h
+++ b/fs/lockd/svcxdr.h
@@ -139,6 +139,8 @@ svcxdr_encode_owner(struct xdr_stream *xdr, const struct xdr_netobj *obj)
 
 	if (xdr_stream_encode_u32(xdr, obj->len) < 0)
 		return false;
+	if (obj->len == 0)
+		return true;
 	p = xdr_reserve_space(xdr, obj->len);
 	if (!p)
 		return false;
-- 
2.9.5




[Index of Archives]     [Linux Filesystem Development]     [Linux USB Development]     [Linux Media Development]     [Video for Linux]     [Linux NILFS]     [Linux Audio Users]     [Yosemite Info]     [Linux SCSI]

  Powered by Linux