From mboxrd@z Thu Jan 1 00:00:00 1970 From: Florian Tobias Schandinat Date: Wed, 10 Oct 2012 12:34:29 +0000 Subject: Re: [PATCH 1/2] drivers/video/savage/savagefb_driver.c: fix error return code Message-Id: <50756B55.9040100@gmx.de> List-Id: References: <1349268044-32616-1-git-send-email-peter.senna@gmail.com> In-Reply-To: <1349268044-32616-1-git-send-email-peter.senna@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Peter Senna Tschudin Cc: Antonino Daplas , kernel-janitors@vger.kernel.org, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org On 10/03/2012 12:40 PM, Peter Senna Tschudin wrote: > From: Peter Senna Tschudin > > Convert a nonnegative error return code to a negative one, as returned > elsewhere in the function. > > A simplified version of the semantic match that finds this problem is as > follows: (http://coccinelle.lip6.fr/) > > // > ( > if@p1 (\(ret < 0\|ret != 0\)) > { ... return ret; } > | > ret@p1 = 0 > ) > ... when != ret = e1 > when != &ret > *if(...) > { > ... when != ret = e2 > when forall > return ret; > } > // > > > Signed-off-by: Peter Senna Tschudin Applied. Thanks, Florian Tobias Schandinat > > --- > drivers/video/savage/savagefb_driver.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/drivers/video/savage/savagefb_driver.c b/drivers/video/savage/savagefb_driver.c > index 0d0f52c..f4f53b0 100644 > --- a/drivers/video/savage/savagefb_driver.c > +++ b/drivers/video/savage/savagefb_driver.c > @@ -2266,8 +2266,10 @@ static int __devinit savagefb_probe(struct pci_dev* dev, > lpitch = info->var.xres_virtual*((info->var.bits_per_pixel + 7) >> 3); > info->var.yres_virtual = info->fix.smem_len/lpitch; > > - if (info->var.yres_virtual < info->var.yres) > + if (info->var.yres_virtual < info->var.yres) { > + err = -ENOMEM; > goto failed; > + } > > #if defined(CONFIG_FB_SAVAGE_ACCEL) > /* > >