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Check the result before passing it to FIELD_MODIFY(), which rejects a compiler-propagated negative value as too large for the field. Fixes: 020b8eaa1db8 ("drm/msm/a6xx: Add BX rail support to GMU dependency votes") Cc: stable@vger.kernel.org Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202610070334.bYvBJSpj-lkp@intel.com/ Signed-off-by: Akhil P Oommen --- drivers/gpu/drm/msm/adreno/a6xx_gmu.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c index 662f09bec9d5..9e02d6f939af 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c @@ -1867,6 +1867,9 @@ static int a6xx_gmu_rpmh_dep_votes_init(struct device *dev, u32 *votes, * back to the highest BX corner if none is high enough. */ bx = a6xx_gmu_rpmh_arc_index(dev, gbx, gbx_count, gx[index], true); + if (bx < 0) + return bx; + FIELD_MODIFY(GMU_BX_MASK, &votes[i], bx); } -- 2.55.0