mirrors/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-05-06 00:47:56 -04:00
Code Issues Packages Projects Releases Wiki Activity

drm/amd/display: Fix null pointer

Browse Source 
Add guard for NULL pointer access

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Charlene Liu <charlene.liu@amd.com>
Acked-by: Rodrigo Siqueira <rodrigo.siqueira@amd.com>
Signed-off-by: Johnson Chen <johnson.chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Johnson Chen
2023-12-01 06:25:08 -07:00
committed by Alex Deucher
parent 823423b8ec
commit 2cbed167d2
1 changed files with 2 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/amd/display/dc/dml2/dml2_utils.c
View File

@@ -158,6 +158,8 @@ bool is_dp2p0_output_encoder(const struct pipe_ctx *pipe_ctx)
/* If this assert is hit then we have a link encoder dynamic management issue */
ASSERT(pipe_ctx->stream_res.hpo_dp_stream_enc ? pipe_ctx->link_res.hpo_dp_link_enc != NULL : true);
if (pipe_ctx->stream == NULL)
return false;
/* Count MST hubs once by treating only 1st remote sink in topology as an encoder */
if (pipe_ctx->stream->link && pipe_ctx->stream->link->remote_sinks[0]) {
return (pipe_ctx->stream_res.hpo_dp_stream_enc &&