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drm/amdgpu: check save count before RAS bad page saving

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It's possible that unit_num is larger than 0 but save_count is zero,
since we do get bad page address but the address is invalid. Check
unit_num and save_count together.

Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Candice Li <candice.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Tao Zhou
2025-10-15 16:19:07 +08:00
committed by Alex Deucher
parent d5a62b7aa9
commit 036f18d0a2
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
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@@ -3142,7 +3142,7 @@ int amdgpu_ras_save_bad_pages(struct amdgpu_device *adev,
*new_cnt = unit_num;
/* only new entries are saved */
if (unit_num > 0) {
if (unit_num && save_count) {
/*old asics only save pa to eeprom like before*/
if (IP_VERSION_MAJ(amdgpu_ip_version(adev, UMC_HWIP, 0)) < 12) {
if (amdgpu_ras_eeprom_append(control,