2011/8/22 Julia Lawall <julia@xxxxxxx>: > From: Julia Lawall <julia@xxxxxxx> > > Test the just-initialized value rather than some other one. > > The semantic match that finds this problem is as follows: > (http://coccinelle.lip6.fr/) > > // <smpl> > @r@ > identifier x,y,f!={PTR_ERR,ERR_PTR,ERR_CAST}; > statement S; > @@ > > x = f(...); > ( > if (\(x == NULL\|IS_ERR(x)\)) S > | > *if (\(y == NULL\|IS_ERR(y)\)) > { ... when != x > return ...; } > ) > // </smpl> > > Signed-off-by: Julia Lawall <julia@xxxxxxx> > > --- > drivers/staging/usbip/userspace/libsrc/vhci_driver.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/staging/usbip/userspace/libsrc/vhci_driver.c b/drivers/staging/usbip/userspace/libsrc/vhci_driver.c > index abbc285..2697877 100644 > --- a/drivers/staging/usbip/userspace/libsrc/vhci_driver.c > +++ b/drivers/staging/usbip/userspace/libsrc/vhci_driver.c > @@ -133,7 +133,7 @@ static int check_usbip_device(struct sysfs_class_device *cdev) > strlen(vhci_driver->hc_device->path))) { > /* found usbip device */ > usbip_cdev = calloc(1, sizeof(*usbip_cdev)); > - if (!cdev) { > + if (!usbip_cdev) { > dbg("calloc failed"); > return -1; > } > Acked-by: David Chang <dchang@xxxxxxxx> > -- > To unsubscribe from this list: send the line "unsubscribe linux-usb" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
