[PATCH 6.10 063/184] drm/amd/display: Add missing NULL pointer check within dpcd_extend_address_range

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6.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Hersen Wu <hersenxs.wu@xxxxxxx>

[ Upstream commit 5524fa301ba649f8cf00848f91468e0ba7e4f24c ]

[Why & How]
ASSERT if return NULL from kcalloc.

Reviewed-by: Alex Hung <alex.hung@xxxxxxx>
Reviewed-by: Rodrigo Siqueira <rodrigo.siqueira@xxxxxxx>
Acked-by: Tom Chung <chiahsuan.chung@xxxxxxx>
Signed-off-by: Hersen Wu <hersenxs.wu@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/protocols/link_dpcd.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dpcd.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dpcd.c
index a72c898b64fa..584b9295a12a 100644
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dpcd.c
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dpcd.c
@@ -165,6 +165,7 @@ static void dpcd_extend_address_range(
 		*out_address = new_addr_range.start;
 		*out_size = ADDRESS_RANGE_SIZE(new_addr_range.start, new_addr_range.end);
 		*out_data = kcalloc(*out_size, sizeof(**out_data), GFP_KERNEL);
+		ASSERT(*out_data);
 	}
 }
 
-- 
2.43.0







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