diff options
| author | Darren Jenkins <darrenrjenkins@gmail.com> | 2009-12-30 02:16:35 +0100 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2010-01-07 04:56:32 +0100 |
| commit | 65aa2f4e8d85b6145ef4834f440a63ab68bd7443 (patch) | |
| tree | d2434114bc883c355b251a18ba632fc447255dee /drivers/gpu/drm/radeon/radeon_irq.c | |
| parent | drm/radeon/radeon_device.c: move a dereference below a NULL test (diff) | |
| download | linux-65aa2f4e8d85b6145ef4834f440a63ab68bd7443.tar.xz linux-65aa2f4e8d85b6145ef4834f440a63ab68bd7443.zip | |
gpu/drm/radeon/radeon_irq.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: 13338
Signed-off-by: Darren Jenkins <darrenrjenkins@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_irq.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_irq.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_irq.c b/drivers/gpu/drm/radeon/radeon_irq.c index b79ecc4a7cc4..2f349a300195 100644 --- a/drivers/gpu/drm/radeon/radeon_irq.c +++ b/drivers/gpu/drm/radeon/radeon_irq.c @@ -289,16 +289,16 @@ int radeon_irq_emit(struct drm_device *dev, void *data, struct drm_file *file_pr drm_radeon_irq_emit_t *emit = data; int result; - if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) - return -EINVAL; - - LOCK_TEST_WITH_RETURN(dev, file_priv); - if (!dev_priv) { DRM_ERROR("called with no initialization\n"); return -EINVAL; } + if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) + return -EINVAL; + + LOCK_TEST_WITH_RETURN(dev, file_priv); + result = radeon_emit_irq(dev); if (DRM_COPY_TO_USER(emit->irq_seq, &result, sizeof(int))) { |