[PATCH 35/45] drm/amd/display: Add NULL pointer check for kzalloc

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

 



From: Hersen Wu <hersenxs.wu@xxxxxxx>

[Why & How]
Check return pointer of kzalloc before using it.

Reviewed-by: Alex Hung <alex.hung@xxxxxxx>
Acked-by: Tom Chung <chiahsuan.chung@xxxxxxx>
Signed-off-by: Hersen Wu <hersenxs.wu@xxxxxxx>
---
 .../gpu/drm/amd/display/dc/resource/dcn401/dcn401_resource.c    | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn401/dcn401_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn401/dcn401_resource.c
index c244262800e1..75e2c62ae792 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn401/dcn401_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn401/dcn401_resource.c
@@ -1273,6 +1273,8 @@ static struct hpo_dp_link_encoder *dcn401_hpo_dp_link_encoder_create(
 
 	/* allocate HPO link encoder */
 	hpo_dp_enc31 = kzalloc(sizeof(struct dcn31_hpo_dp_link_encoder), GFP_KERNEL);
+	if (!hpo_dp_enc31)
+		return NULL; /* out of memory */
 
 #undef REG_STRUCT
 #define REG_STRUCT hpo_dp_link_enc_regs
-- 
2.34.1




[Index of Archives]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux