diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/1672-drm-amd-powerplay-Off-by-one-in-vega20_get_smu_msg_i.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.19.8/1672-drm-amd-powerplay-Off-by-one-in-vega20_get_smu_msg_i.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/1672-drm-amd-powerplay-Off-by-one-in-vega20_get_smu_msg_i.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/1672-drm-amd-powerplay-Off-by-one-in-vega20_get_smu_msg_i.patch new file mode 100644 index 00000000..04cf0fc5 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/1672-drm-amd-powerplay-Off-by-one-in-vega20_get_smu_msg_i.patch @@ -0,0 +1,34 @@ +From da7372c943bfab9ec3c56d402b78bd8a4b158ee0 Mon Sep 17 00:00:00 2001 +From: Dan Carpenter <dan.carpenter@oracle.com> +Date: Thu, 21 Mar 2019 12:19:57 +0300 +Subject: [PATCH 1672/2940] drm/amd/powerplay: Off by one in + vega20_get_smu_msg_index() + +The > should be >= so that we don't read one element beyond the end of +the vega20_message_map[] array. + +Fixes: 78031c2c4dcd ("drm/amd/powerplay: implement smu vega20_message_map for vega20") +Reviewed-by: Kevin Wang <kevin1.wang@amd.com> +Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/powerplay/vega20_ppt.c | 3 ++- + 1 file changed, 2 insertions(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c +index 5297b23ebcd1..f5560c4243c2 100644 +--- a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c ++++ b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c +@@ -132,7 +132,8 @@ static int vega20_message_map[SMU_MSG_MAX_COUNT] = { + static int vega20_get_smu_msg_index(struct smu_context *smc, uint32_t index) + { + int val; +- if (index > SMU_MSG_MAX_COUNT) ++ ++ if (index >= SMU_MSG_MAX_COUNT) + return -EINVAL; + + val = vega20_message_map[index]; +-- +2.17.1 + |