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drm/amdgpu: debugfs: fix NULL dereference in ta_if_invoke_debugfs_write()

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If the kzalloc() fails then this code will crash.  Return -ENOMEM instead.

Fixes: e50d9ba0d2 ("drm/amdgpu: Add debugfs TA load/unload/invoke support")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Dan Carpenter
2022-04-26 11:49:20 +03:00
committed by Alex Deucher
parent a52ad5b6ce
commit 2f33a397e9
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_psp_ta.c
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@ -254,7 +254,7 @@ static ssize_t ta_if_invoke_debugfs_write(struct file *fp, const char *buf, size
shared_buf = kzalloc(shared_buf_len, GFP_KERNEL);
if (!shared_buf)
ret = -ENOMEM;
return -ENOMEM;
if (copy_from_user((void *)shared_buf, &buf[copy_pos], shared_buf_len)) {
ret = -EFAULT;
goto err_free_shared_buf;