MSM8960: gpu/drm/dp/drm_dp.c:59:27: warning: array subscript 10 is outside, array bounds of 'const u8[6]' - Lkft-triage

2 Mar 2022


      Hi all,
I am getting this warning when compiling the kernel for the MSM8960 with 
this defconfig: 
https://raw.githubusercontent.com/apq8064-mainline/linux/qcom-apq8064-next/a...
Warning:
../drivers/gpu/drm/dp/drm_dp.c: In function 
'drm_dp_get_adjust_request_post_cursor':
../drivers/gpu/drm/dp/drm_dp.c:59:27: warning: array subscript 10 is 
outside array bounds of 'const u8[6]' {aka 'const unsigned char[6]'} 
[-Warray-bounds]
    59 |         return link_status[r - DP_LANE0_1_STATUS];
       |                ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
../drivers/gpu/drm/dp/drm_dp.c:210:51: note: while referencing 'link_status'
   210 | u8 drm_dp_get_adjust_request_post_cursor(const u8 
link_status[DP_LINK_STATUS_SIZE],
       | ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~