Message ID | 1349469667-6137-3-git-send-email-peter.senna@gmail.com |
---|---|
State | Not Applicable, archived |
Headers | show |
On 10/05/2012 10:41 PM, Peter Senna Tschudin wrote: > From: Peter Senna Tschudin <peter.senna@gmail.com> > > The function peak_pci_probe() return 0 for success and negative value > for most of its internal tests failures. There are two exceptions > that are error cases going to failure_*:. Fore this two cases the > function abort its success execution path, but returns non negative > value, making it dificult for a caller function to notice the error. > > This patch fixes the error cases that do not return negative values. > > This was found by Coccinelle, but the code change was made by hand. > This patch is not robot generated. > > A simplified version of the semantic match that finds this problem is > as follows: (http://coccinelle.lip6.fr/) > > // <smpl> > ( > if@p1 (\(ret < 0\|ret != 0\)) > { ... return ret; } > | > ret@p1 = 0 > ) > ... when != ret = e1 > when != &ret > *if(...) > { > ... when != ret = e2 > when forall > return ret; > } > // </smpl> > > Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com> Too late, v1 of this patch is already in net/master regards, Marc
This patch was already in the tree. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/net/can/sja1000/peak_pci.c b/drivers/net/can/sja1000/peak_pci.c index f0a1296..f5b82ae 100644 --- a/drivers/net/can/sja1000/peak_pci.c +++ b/drivers/net/can/sja1000/peak_pci.c @@ -583,12 +583,14 @@ static int __devinit peak_pci_probe(struct pci_dev *pdev, cfg_base = pci_iomap(pdev, 0, PEAK_PCI_CFG_SIZE); if (!cfg_base) { dev_err(&pdev->dev, "failed to map PCI resource #0\n"); + err = -ENOMEM; goto failure_release_regions; } reg_base = pci_iomap(pdev, 1, PEAK_PCI_CHAN_SIZE * channels); if (!reg_base) { dev_err(&pdev->dev, "failed to map PCI resource #1\n"); + err = -ENOMEM; goto failure_unmap_cfg_base; }