Commit ea686fef authored by Jesse Zhang's avatar Jesse Zhang Committed by Alex Deucher
Browse files

drm/amdgpu: fix the warning about the expression (int)size - len 



Converting size from size_t to int may overflow.
v2: keep reverse xmas tree order (Christian)

Signed-off-by: default avatarJesse Zhang <jesse.zhang@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 029c2b03

drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c

+3 −2
Original line number Diff line number Diff line
@@ -2065,12 +2065,13 @@ 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 *new = NULL, *tmp = NULL;

	int ret, i = 0, len = 0;

	unsigned int len = 0;

	int ret, i = 0;



	do {

		memset(reg_offset, 0, 11);

		if (copy_from_user(reg_offset, buf + len,

					min(10, ((int)size-len)))) {

					min(10, (size-len)))) {

			ret = -EFAULT;

			goto error_free;

		}