diff options
| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2012-05-17 13:27:21 +0200 | 
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2012-05-22 10:32:58 +0100 | 
| commit | 4a1b0714275796fdbc35427cf361eb4123e5e9f6 (patch) | |
| tree | 1897d2d9cbec66d84d69ace29ddedfc1778f2f4e /drivers/gpu/drm/drm_irq.c | |
| parent | 7eb3b2c83dccddec34787adf67c10c82331d262e (diff) | |
| download | olio-linux-3.10-4a1b0714275796fdbc35427cf361eb4123e5e9f6.tar.xz olio-linux-3.10-4a1b0714275796fdbc35427cf361eb4123e5e9f6.zip  | |
drm: Don't initialize local ret variable when not needed
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/drm_irq.c')
| -rw-r--r-- | drivers/gpu/drm/drm_irq.c | 21 | 
1 files changed, 8 insertions, 13 deletions
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index acd2cb45a51..c798eeae0a0 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -310,7 +310,7 @@ static void drm_irq_vgaarb_nokms(void *cookie, bool state)   */  int drm_irq_install(struct drm_device *dev)  { -	int ret = 0; +	int ret;  	unsigned long sh_flags = 0;  	char *irqname; @@ -731,7 +731,7 @@ EXPORT_SYMBOL(drm_calc_vbltimestamp_from_scanoutpos);  u32 drm_get_last_vbltimestamp(struct drm_device *dev, int crtc,  			      struct timeval *tvblank, unsigned flags)  { -	int ret = 0; +	int ret;  	/* Define requested maximum error on timestamps (nanoseconds). */  	int max_error = (int) drm_timestamp_precision * 1000; @@ -1031,18 +1031,15 @@ int drm_modeset_ctl(struct drm_device *dev, void *data,  		    struct drm_file *file_priv)  {  	struct drm_modeset_ctl *modeset = data; -	int ret = 0;  	unsigned int crtc;  	/* If drm_vblank_init() hasn't been called yet, just no-op */  	if (!dev->num_crtcs) -		goto out; +		return 0;  	crtc = modeset->crtc; -	if (crtc >= dev->num_crtcs) { -		ret = -EINVAL; -		goto out; -	} +	if (crtc >= dev->num_crtcs) +		return -EINVAL;  	switch (modeset->cmd) {  	case _DRM_PRE_MODESET: @@ -1052,12 +1049,10 @@ int drm_modeset_ctl(struct drm_device *dev, void *data,  		drm_vblank_post_modeset(dev, crtc);  		break;  	default: -		ret = -EINVAL; -		break; +		return -EINVAL;  	} -out: -	return ret; +	return 0;  }  static int drm_queue_vblank_event(struct drm_device *dev, int pipe, @@ -1154,7 +1149,7 @@ int drm_wait_vblank(struct drm_device *dev, void *data,  		    struct drm_file *file_priv)  {  	union drm_wait_vblank *vblwait = data; -	int ret = 0; +	int ret;  	unsigned int flags, seq, crtc, high_crtc;  	if ((!drm_dev_to_irq(dev)) || (!dev->irq_enabled))  |