Patch "drm/amd/display: Add missing NULL pointer check within dpcd_extend_address_range" has been added to the 6.10-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

This is a note to let you know that I've just added the patch titled

    drm/amd/display: Add missing NULL pointer check within dpcd_extend_address_range

to the 6.10-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     drm-amd-display-add-missing-null-pointer-check-withi.patch
and it can be found in the queue-6.10 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 0c5b2ed8845536761da66b1caa3d98336a25c15e
Author: Hersen Wu <hersenxs.wu@xxxxxxx>
Date:   Mon Apr 22 16:22:44 2024 -0400

    drm/amd/display: Add missing NULL pointer check within dpcd_extend_address_range
    
    [ 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>

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);
 	}
 }