drm/radeon/radeon_device.c: move a dereference below a NULL test
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> Signed-off-by: Dave Airlie <airlied@redhat.com>
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@ -733,16 +733,18 @@ void radeon_device_fini(struct radeon_device *rdev)
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*/
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int radeon_suspend_kms(struct drm_device *dev, pm_message_t state)
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{
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struct radeon_device *rdev = dev->dev_private;
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struct radeon_device *rdev;
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struct drm_crtc *crtc;
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int r;
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if (dev == NULL || rdev == NULL) {
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if (dev == NULL || dev->dev_private == NULL) {
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return -ENODEV;
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}
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if (state.event == PM_EVENT_PRETHAW) {
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return 0;
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}
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rdev = dev->dev_private;
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/* unpin the front buffers */
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list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
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struct radeon_framebuffer *rfb = to_radeon_framebuffer(crtc->fb);
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