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authorChris Park <chris.park@amd.com>2024-06-28 15:09:06 -0400
committerAlex Deucher <alexander.deucher@amd.com>2024-07-23 17:07:11 -0400
commit892abca6877a96c9123bb1c010cafccdf8ca1b75 (patch)
treea5d63ac0fc7a1a77a2549a5eb43c55bf42417c84
parentdrm/amd/display: Check stream before comparing them (diff)
downloadwireguard-linux-892abca6877a96c9123bb1c010cafccdf8ca1b75.tar.xz
wireguard-linux-892abca6877a96c9123bb1c010cafccdf8ca1b75.zip
drm/amd/display: Deallocate DML memory if allocation fails
[Why] When DC state create DML memory allocation fails, memory is not deallocated subsequently, resulting in uninitialized structure that is not NULL. [How] Deallocate memory if DML memory allocation fails. Reviewed-by: Joshua Aberback <joshua.aberback@amd.com> Signed-off-by: Jerry Zuo <jerry.zuo@amd.com> Signed-off-by: Chris Park <chris.park@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
-rw-r--r--drivers/gpu/drm/amd/display/dc/core/dc_state.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_state.c b/drivers/gpu/drm/amd/display/dc/core/dc_state.c
index e990346e51f6..665157f8d4cb 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_state.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_state.c
@@ -211,10 +211,16 @@ struct dc_state *dc_state_create(struct dc *dc, struct dc_state_create_params *p
#ifdef CONFIG_DRM_AMD_DC_FP
if (dc->debug.using_dml2) {
dml2_opt->use_clock_dc_limits = false;
- dml2_create(dc, dml2_opt, &state->bw_ctx.dml2);
+ if (!dml2_create(dc, dml2_opt, &state->bw_ctx.dml2)) {
+ dc_state_release(state);
+ return NULL;
+ }
dml2_opt->use_clock_dc_limits = true;
- dml2_create(dc, dml2_opt, &state->bw_ctx.dml2_dc_power_source);
+ if (!dml2_create(dc, dml2_opt, &state->bw_ctx.dml2_dc_power_source)) {
+ dc_state_release(state);
+ return NULL;
+ }
}
#endif