On Thu, Nov 29, 2018 at 08:38:26AM -0800, Stephen Boyd wrote:
> We need to check the call to cmd_db_read_aux_data() for the error case,
> so that we don't continue and use potentially uninitialized values for
> 'pri_count' and 'sec_count'. Otherwise, we get the following compiler
> warnings:
>
> drivers/gpu/drm/msm/adreno/a6xx_gmu.c: In function
> 'a6xx_gmu_rpmh_arc_votes_init.isra.12':
> drivers/gpu/drm/msm/adreno/a6xx_gmu.c:943:12: warning: 'pri_count' is used
> uninitialized in this function [-Wuninitialized]
> pri_count >>= 1;
> ^~~
> drivers/gpu/drm/msm/adreno/a6xx_gmu.c:948:12: warning: 'sec_count' may be
> used uninitialized in this function
> [-Wmaybe-uninitialized]
> sec_count >>= 1;
> ^~~
>
> Reported-by: Stephen Rothwell <s...@canb.auug.org.au>
> Reported-by: kbuild test robot <l...@intel.com>
> Cc: Jordan Crouse <jcro...@codeaurora.org>
> Cc: Bjorn Andersson <bjorn.anders...@linaro.org>
> Cc: Evan Green <evgr...@chromium.org>
> Cc: Jordan Crouse <jcro...@codeaurora.org>
> Cc: Rob Clark <robdcl...@gmail.com>
> Fixes: ed3cafa79ea7 ("soc: qcom: cmd-db: Stop memcpy()ing in
> cmd_db_read_aux_data()")
> Signed-off-by: Stephen Boyd <swb...@chromium.org>
Thanks for the patch. Queueing this up.
Andy
