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Date: Mon, 16 Dec 2013 11:06:55 +0000 From: Damien Lespiau <damien.lespiau@...el.com> To: Wei Yongjun <weiyj.lk@...il.com> Cc: daniel.vetter@...ll.ch, airlied@...ux.ie, yongjun_wei@...ndmicro.com.cn, intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org Subject: Re: [Intel-gfx] [PATCH -next] drm/i915: fix return value check of debugfs_create_file() On Mon, Dec 16, 2013 at 02:13:25PM +0800, Wei Yongjun wrote: > From: Wei Yongjun <yongjun_wei@...ndmicro.com.cn> > > In case of error, the function debugfs_create_file() returns NULL > pointer not ERR_PTR() if debugfs is enabled. The IS_ERR() test in > the return value check should be replaced with NULL test. > > Signed-off-by: Wei Yongjun <yongjun_wei@...ndmicro.com.cn> Reviewed-by: Damien Lespiau <damien.lespiau@...el.com> -- Damien > --- > drivers/gpu/drm/i915/i915_debugfs.c | 12 ++++++------ > 1 file changed, 6 insertions(+), 6 deletions(-) > > diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c > index 7008aac..856e18b 100644 > --- a/drivers/gpu/drm/i915/i915_debugfs.c > +++ b/drivers/gpu/drm/i915/i915_debugfs.c > @@ -1920,8 +1920,8 @@ static int i915_pipe_crc_create(struct dentry *root, struct drm_minor *minor, > info->dev = dev; > ent = debugfs_create_file(info->name, S_IRUGO, root, info, > &i915_pipe_crc_fops); > - if (IS_ERR(ent)) > - return PTR_ERR(ent); > + if (!ent) > + return -ENOMEM; > > return drm_add_fake_info_node(minor, ent, info); > } > @@ -2931,8 +2931,8 @@ static int i915_forcewake_create(struct dentry *root, struct drm_minor *minor) > S_IRUSR, > root, dev, > &i915_forcewake_fops); > - if (IS_ERR(ent)) > - return PTR_ERR(ent); > + if (!ent) > + return -ENOMEM; > > return drm_add_fake_info_node(minor, ent, &i915_forcewake_fops); > } > @@ -2949,8 +2949,8 @@ static int i915_debugfs_create(struct dentry *root, > S_IRUGO | S_IWUSR, > root, dev, > fops); > - if (IS_ERR(ent)) > - return PTR_ERR(ent); > + if (!ent) > + return -ENOMEM; > > return drm_add_fake_info_node(minor, ent, fops); > } > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@...ts.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/intel-gfx -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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