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| author | Darren Jenkins <darrenrjenkins@gmail.com> | 2009-12-30 04:18:30 +0300 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2010-01-07 06:56:06 +0300 |
| commit | 875c186620e017e62b773c93e46af21bb704fe6b (patch) | |
| tree | 56c7a77d40b9c5f780f636f5e4aa425b31897fd7 | |
| parent | 3655d54af8dd85788c3e5088387469703a0f8f12 (diff) | |
| download | linux-875c186620e017e62b773c93e46af21bb704fe6b.tar.xz | |
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>
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_device.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index 7c6848096bcd..0c51f8e46613 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -733,16 +733,18 @@ 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); |