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-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
index 426b63e4f1f6..4549bfb0ee0c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
@@ -1678,7 +1678,7 @@ static ssize_t amdgpu_reset_dump_register_list_write(struct file *f,
{
struct amdgpu_device *adev = (struct amdgpu_device *)file_inode(f)->i_private;
char reg_offset[11];
- uint32_t *tmp;
+ uint32_t *new, *tmp = NULL;
int ret, i = 0, len = 0;
do {
@@ -1689,7 +1689,12 @@ static ssize_t amdgpu_reset_dump_register_list_write(struct file *f,
goto error_free;
}
- tmp = krealloc_array(tmp, i + 1, sizeof(uint32_t), GFP_KERNEL);
+ new = krealloc_array(tmp, i + 1, sizeof(uint32_t), GFP_KERNEL);
+ if (!new) {
+ ret = -ENOMEM;
+ goto error_free;
+ }
+ tmp = new;
if (sscanf(reg_offset, "%X %n", &tmp[i], &ret) != 1) {
ret = -EINVAL;
goto error_free;