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| author | Sachin Kamat <sachin.kamat@linaro.org> | 2012-11-19 14:50:30 +0530 |
|---|---|---|
| committer | Inki Dae <daeinki@gmail.com> | 2012-11-29 03:30:33 -0800 |
| commit | fdd66e06ce71cdcdb515ef355d4f2fc90e151503 (patch) | |
| tree | 988145984f51b7e788f47096947472a6f332675a /drivers/gpu/drm/exynos/exynos_drm_encoder.c | |
| parent | 6ecf18f9e769f77e918f2a18b35faf2a4844ad1a (diff) | |
| download | op-kernel-dev-fdd66e06ce71cdcdb515ef355d4f2fc90e151503.zip op-kernel-dev-fdd66e06ce71cdcdb515ef355d4f2fc90e151503.tar.gz | |
drm/exynos: Fix potential NULL pointer dereference in exynos_drm_encoder.c
Check overlay_ops is not NULL as checked in the previous 'if' condition.
Fixes the following smatch error:
drivers/gpu/drm/exynos/exynos_drm_encoder.c:509 exynos_drm_encoder_plane_disable()
error: we previously assumed 'overlay_ops' could be null (see line 499)
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_encoder.c')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_encoder.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c index 607231a..f2df06c 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c +++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c @@ -513,6 +513,6 @@ void exynos_drm_encoder_plane_disable(struct drm_encoder *encoder, void *data) * because the setting for disabling the overlay will be updated * at vsync. */ - if (overlay_ops->wait_for_vblank) + if (overlay_ops && overlay_ops->wait_for_vblank) overlay_ops->wait_for_vblank(manager->dev); } |
