diff options
| author | Dan Carpenter <dan.carpenter@oracle.com> | 2015-07-03 11:54:28 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2015-07-08 12:41:43 -0400 |
| commit | 866a92040392d844d151aa6a2ba15be2e6e5df4f (patch) | |
| tree | b82349b0bab19a2031fc90dc88d529af28ddcdf2 /drivers/gpu/drm/radeon/r600_cp.c | |
| parent | 5e3c4f907043a7fae1b48e86536dc7b9efa07e29 (diff) | |
drm/radeon: fix underflow in r600_cp_dispatch_texture()
The "if (pass_size > buf->total)" can underflow so I have changed the
type of size and pass_size to unsigned to avoid this problem.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/r600_cp.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/r600_cp.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/r600_cp.c b/drivers/gpu/drm/radeon/r600_cp.c index 09e3f39925fa..98f9adaccc3d 100644 --- a/drivers/gpu/drm/radeon/r600_cp.c +++ b/drivers/gpu/drm/radeon/r600_cp.c @@ -2483,7 +2483,7 @@ int r600_cp_dispatch_texture(struct drm_device *dev, struct drm_buf *buf; u32 *buffer; const u8 __user *data; - int size, pass_size; + unsigned int size, pass_size; u64 src_offset, dst_offset; if (!radeon_check_offset(dev_priv, tex->offset)) { |