[PATCH] drm/selftest: fix potential memleak in error branch

From: Bernard Zhao
Date: Tue Nov 16 2021 - 20:48:54 EST


This patch try to fix the potential memleak in error branch.

Signed-off-by: Bernard Zhao <bernard@xxxxxxxx>
---
drivers/gpu/drm/selftests/test-drm_dp_mst_helper.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/selftests/test-drm_dp_mst_helper.c b/drivers/gpu/drm/selftests/test-drm_dp_mst_helper.c
index 6b4759ed6bfd..dbac073ed385 100644
--- a/drivers/gpu/drm/selftests/test-drm_dp_mst_helper.c
+++ b/drivers/gpu/drm/selftests/test-drm_dp_mst_helper.c
@@ -131,8 +131,10 @@ sideband_msg_req_encode_decode(struct drm_dp_sideband_msg_req_body *in)
return false;

txmsg = kzalloc(sizeof(*txmsg), GFP_KERNEL);
- if (!txmsg)
- return false;
+ if (!txmsg) {
+ result = false;
+ goto out;
+ }

drm_dp_encode_sideband_req(in, txmsg);
ret = drm_dp_decode_sideband_req(txmsg, out);
--
2.33.1