[PATCH AUTOSEL 6.6 67/83] drm/amd/display: Run DC_LOG_DC after checking link->link_enc
From: Sasha Levin
Date: Wed Jul 31 2024 - 21:01:35 EST
From: Alex Hung <alex.hung@xxxxxxx>
[ Upstream commit 3a82f62b0d9d7687eac47603bb6cd14a50fa718b ]
[WHAT]
The DC_LOG_DC should be run after link->link_enc is checked, not before.
This fixes 1 REVERSE_INULL issue reported by Coverity.
Reviewed-by: Rodrigo Siqueira <rodrigo.siqueira@xxxxxxx>
Signed-off-by: Alex Hung <alex.hung@xxxxxxx>
Tested-by: Daniel Wheeler <daniel.wheeler@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/gpu/drm/amd/display/dc/link/link_factory.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/link/link_factory.c b/drivers/gpu/drm/amd/display/dc/link/link_factory.c
index 6fc0cb918b9e5..00119aa395589 100644
--- a/drivers/gpu/drm/amd/display/dc/link/link_factory.c
+++ b/drivers/gpu/drm/amd/display/dc/link/link_factory.c
@@ -629,14 +629,14 @@ static bool construct_phy(struct dc_link *link,
link->link_enc =
link->dc->res_pool->funcs->link_enc_create(dc_ctx, &enc_init_data);
- DC_LOG_DC("BIOS object table - DP_IS_USB_C: %d", link->link_enc->features.flags.bits.DP_IS_USB_C);
- DC_LOG_DC("BIOS object table - IS_DP2_CAPABLE: %d", link->link_enc->features.flags.bits.IS_DP2_CAPABLE);
-
if (!link->link_enc) {
DC_ERROR("Failed to create link encoder!\n");
goto link_enc_create_fail;
}
+ DC_LOG_DC("BIOS object table - DP_IS_USB_C: %d", link->link_enc->features.flags.bits.DP_IS_USB_C);
+ DC_LOG_DC("BIOS object table - IS_DP2_CAPABLE: %d", link->link_enc->features.flags.bits.IS_DP2_CAPABLE);
+
/* Update link encoder tracking variables. These are used for the dynamic
* assignment of link encoders to streams.
*/
--
2.43.0