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drm/amd/ras: Add input pointer validation in ras core helpers

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Add NULL checks for helper input/output pointers that are directly
dereferenced, such as tm, seqno, dev_info and init_config.

Cc: Tao Zhou <tao.zhou1@amd.com>
Cc: YiPeng Chai <YiPeng.Chai@amd.com>
Cc: Dan Carpenter <dan.carpenter@linaro.org>
Cc: Christian König <christian.koenig@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Reviewed-by: YiPeng Chai <YiPeng.Chai@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Srinivasan Shanmugam
2026-03-19 11:00:00 +05:30
committed by Alex Deucher
parent e495c688ed
commit 2ccdefeec7
1 changed files with 9 additions and 0 deletions
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9
drivers/gpu/drm/amd/ras/rascore/ras_core.c
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@@ -69,6 +69,9 @@ int ras_core_convert_timestamp_to_time(struct ras_core_context *ras_core,
int seconds_per_minute = 60;
int days, remaining_seconds;
if (!tm)
return -EINVAL;
days = div64_u64_rem(timestamp, seconds_per_day, &remainder);
/* remainder will always be less than seconds_per_day. */
remaining_seconds = remainder;
@@ -277,6 +280,9 @@ struct ras_core_context *ras_core_create(struct ras_core_config *init_config)
struct ras_core_context *ras_core;
struct ras_core_config *config;
if (!init_config)
return NULL;
ras_core = kzalloc_obj(*ras_core);
if (!ras_core)
return NULL;
@@ -638,6 +644,9 @@ int ras_core_event_notify(struct ras_core_context *ras_core,
int ras_core_get_device_system_info(struct ras_core_context *ras_core,
struct device_system_info *dev_info)
{
if (!dev_info)
return -EINVAL;
if (ras_core && ras_core->sys_fn &&
ras_core->sys_fn->get_device_system_info)
return ras_core->sys_fn->get_device_system_info(ras_core, dev_info);