From: Colin Ian King <colin.king@xxxxxxxxxxxxx> There are two occurrances of off-by-one upper bound checking of indexes causing potential out-of-bounds array reads. Fix these. Addresses-Coverity: ("Out-of-bounds read") Fixes: cb33363d0e85 ("drm/amd/powerplay: add smu feature name support") Fixes: 6b294793e384 ("drm/amd/powerplay: add smu message name support") Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx> --- drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c index d029a99e600e..b64113740eb5 100644 --- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c @@ -38,7 +38,7 @@ static const char* __smu_message_names[] = { const char *smu_get_message_name(struct smu_context *smu, enum smu_message_type type) { - if (type < 0 || type > SMU_MSG_MAX_COUNT) + if (type < 0 || type >= SMU_MSG_MAX_COUNT) return "unknown smu message"; return __smu_message_names[type]; } @@ -51,7 +51,7 @@ static const char* __smu_feature_names[] = { const char *smu_get_feature_name(struct smu_context *smu, enum smu_feature_mask feature) { - if (feature < 0 || feature > SMU_FEATURE_COUNT) + if (feature < 0 || feature >= SMU_FEATURE_COUNT) return "unknown smu feature"; return __smu_feature_names[feature]; } -- 2.20.1