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Subjectdrivers/gpu/drm/radeon/radeon_device.c: move a dereference below a NULL test
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If a NULL value is possible, the dereference should only occur after the
NULL test.

Coverity CID: 13335

Signed-off-by: Darren Jenkins <darrenrjenkins@gmail.com>
diff --git a/drivers/gpu/drm/radeon/radeon_device.c
b/drivers/gpu/drm/radeon/radeon_device.c
index 02bcdb1..c0104b0 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -663,16 +663,18 @@ void radeon_device_fini(struct radeon_device
*rdev)
*/
int radeon_suspend_kms(struct drm_device *dev, pm_message_t state)
{
- struct radeon_device *rdev = dev->dev_private;
+ struct radeon_device *rdev;
struct drm_crtc *crtc;
int r;

- if (dev == NULL || rdev == NULL) {
+ if (dev == NULL || dev->dev_private == NULL) {
return -ENODEV;
}
if (state.event == PM_EVENT_PRETHAW) {
return 0;
}
+ rdev = dev->dev_private;
+
/* unpin the front buffers */
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
struct radeon_framebuffer *rfb = to_radeon_framebuffer(crtc->fb);



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