Re: [PATCH 04/15] drivers: gpu: Drop unlikely before IS_ERR(_OR_NULL)

From: Daniel Vetter <daniel@ffwll.ch>
To: Sinclair Yeh <syeh@vmware.com>
Cc: Viresh Kumar <viresh.kumar@linaro.org>,
	Thomas Hellstrom <thellstrom@vmware.com>,
	linaro-kernel@lists.linaro.org, linux-kernel@vger.kernel.org,
	"open list:DRM DRIVERS" <dri-devel@lists.freedesktop.org>,
	Ben Skeggs <bskeggs@redhat.com>,
	akpm@linux-foundation.org
Subject: Re: [PATCH 04/15] drivers: gpu: Drop unlikely before IS_ERR(_OR_NULL)
Date: Mon, 3 Aug 2015 10:01:26 +0200	[thread overview]
Message-ID: <20150803080126.GA24689@phenom.ffwll.local> (raw)
In-Reply-To: <20150731155228.GA18431@syeh-linux>

On Fri, Jul 31, 2015 at 08:53:04AM -0700, Sinclair Yeh wrote:
> This patch:  Reviewed-by: Sinclair Yeh <syeh@vmware.com>
> 
> On Fri, Jul 31, 2015 at 02:08:24PM +0530, Viresh Kumar wrote:
> > IS_ERR(_OR_NULL) already contain an 'unlikely' compiler flag and there
> > is no need to do that again from its callers. Drop it.
> > 
> > Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>

Applied to drm-misc, thanks.
-Daniel

> > ---
> >  drivers/gpu/drm/ttm/ttm_tt.c            | 4 ++--
> >  drivers/gpu/drm/vmwgfx/vmwgfx_context.c | 2 +-
> >  drivers/gpu/drm/vmwgfx/vmwgfx_drv.c     | 2 +-
> >  3 files changed, 4 insertions(+), 4 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c
> > index bf080abc86d1..4e19d0f9cc30 100644
> > --- a/drivers/gpu/drm/ttm/ttm_tt.c
> > +++ b/drivers/gpu/drm/ttm/ttm_tt.c
> > @@ -340,7 +340,7 @@ int ttm_tt_swapout(struct ttm_tt *ttm, struct file *persistent_swap_storage)
> >  		swap_storage = shmem_file_setup("ttm swap",
> >  						ttm->num_pages << PAGE_SHIFT,
> >  						0);
> > -		if (unlikely(IS_ERR(swap_storage))) {
> > +		if (IS_ERR(swap_storage)) {
> >  			pr_err("Failed allocating swap storage\n");
> >  			return PTR_ERR(swap_storage);
> >  		}
> > @@ -354,7 +354,7 @@ int ttm_tt_swapout(struct ttm_tt *ttm, struct file *persistent_swap_storage)
> >  		if (unlikely(from_page == NULL))
> >  			continue;
> >  		to_page = shmem_read_mapping_page(swap_space, i);
> > -		if (unlikely(IS_ERR(to_page))) {
> > +		if (IS_ERR(to_page)) {
> >  			ret = PTR_ERR(to_page);
> >  			goto out_err;
> >  		}
> > diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_context.c b/drivers/gpu/drm/vmwgfx/vmwgfx_context.c
> > index 5ac92874404d..44e6ecba3de7 100644
> > --- a/drivers/gpu/drm/vmwgfx/vmwgfx_context.c
> > +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_context.c
> > @@ -159,7 +159,7 @@ static int vmw_gb_context_init(struct vmw_private *dev_priv,
> >  
> >  	if (dev_priv->has_mob) {
> >  		uctx->man = vmw_cmdbuf_res_man_create(dev_priv);
> > -		if (unlikely(IS_ERR(uctx->man))) {
> > +		if (IS_ERR(uctx->man)) {
> >  			ret = PTR_ERR(uctx->man);
> >  			uctx->man = NULL;
> >  			goto out_err;
> > diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
> > index 620bb5cf617c..6218a36cf01a 100644
> > --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
> > +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
> > @@ -1054,7 +1054,7 @@ static long vmw_generic_ioctl(struct file *filp, unsigned int cmd,
> >  		return -EINVAL;
> >  
> >  	vmaster = vmw_master_check(dev, file_priv, flags);
> > -	if (unlikely(IS_ERR(vmaster))) {
> > +	if (IS_ERR(vmaster)) {
> >  		ret = PTR_ERR(vmaster);
> >  
> >  		if (ret != -ERESTARTSYS)
> > -- 
> > 2.4.0
> > 
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/dri-devel

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch