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| author | Dave Airlie <airlied@linux.ie> | 2006-04-05 18:10:11 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@linux.ie> | 2006-04-05 18:10:11 +1000 |
| commit | 86678dfddba55a7b9e2ea084d59be6500fec2256 (patch) | |
| tree | 3673c3233b884a605c5d9db529854c3b39b6b479 /drivers | |
| parent | 6246b6128bbe34d0752f119cf7c5111c85fe481d (diff) | |
| download | op-kernel-dev-86678dfddba55a7b9e2ea084d59be6500fec2256.zip op-kernel-dev-86678dfddba55a7b9e2ea084d59be6500fec2256.tar.gz | |
[PATCH] drm: Fix issue reported by Coverity in drivers/char/drm/via_irq.c
This patch tries to fix an issue reported in drivers/char/drm/via_irq.c by
Coverity, please review and apply if correct.
Error reported:
CID: 3444 Checker: REVERSE_INULL (help)
File: /export2/p4-coverity/mc2/linux26/drivers/char/drm/via_irq.c
Function: via_driver_irq_wait
Description: Pointer "dev_priv" dereferenced before NULL check
Patch Description:
Move de-referencing dev_priv to after the NULL check.
Signed-off-by: Jayachandran C. <c.jayachandran at gmail.com>
Signed-off-by: Dave Airlie <airlied@linux.ie>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/char/drm/via_irq.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/char/drm/via_irq.c b/drivers/char/drm/via_irq.c index 6152415..1228fa5 100644 --- a/drivers/char/drm/via_irq.c +++ b/drivers/char/drm/via_irq.c @@ -198,7 +198,7 @@ via_driver_irq_wait(drm_device_t * dev, unsigned int irq, int force_sequence, unsigned int cur_irq_sequence; drm_via_irq_t *cur_irq = dev_priv->via_irqs; int ret = 0; - maskarray_t *masks = dev_priv->irq_masks; + maskarray_t *masks; int real_irq; DRM_DEBUG("%s\n", __FUNCTION__); @@ -221,7 +221,8 @@ via_driver_irq_wait(drm_device_t * dev, unsigned int irq, int force_sequence, __FUNCTION__, irq); return DRM_ERR(EINVAL); } - + + masks = dev_priv->irq_masks; cur_irq += real_irq; if (masks[real_irq][2] && !force_sequence) { |
