Message ID | Pine.LNX.4.64.0907281753540.28189@ask.diku.dk |
---|---|
State | Not Applicable, archived |
Delegated to: | David Miller |
Headers | show |
From: Julia Lawall <julia@diku.dk> Date: Tue, 28 Jul 2009 17:54:24 +0200 (CEST) Wireless patches need to be CC:'d to linux-wireless so that John Linville can notice and pick them up. Added... > From: Julia Lawall <julia@diku.dk> > > iwm_wdev_alloc returns an ERR_PTR value in an error case instead of NULL. > > A simplified version of the semantic match that finds this problem is as > follows: (http://coccinelle.lip6.fr/) > > // <smpl> > @match exists@ > expression x, E; > statement S1, S2; > @@ > > x = iwm_wdev_alloc(...) > ... when != x = E > ( > * if (x == NULL || ...) S1 else S2 > | > * if (x == NULL && ...) S1 else S2 > ) > // </smpl> > > Signed-off-by: Julia Lawall <julia@diku.dk> > > --- > drivers/net/wireless/iwmc3200wifi/netdev.c | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > > diff --git a/drivers/net/wireless/iwmc3200wifi/netdev.c b/drivers/net/wireless/iwmc3200wifi/netdev.c > index bb71f8a..e1c6693 100644 > --- a/drivers/net/wireless/iwmc3200wifi/netdev.c > +++ b/drivers/net/wireless/iwmc3200wifi/netdev.c > @@ -99,7 +99,7 @@ void *iwm_if_alloc(int sizeof_bus, struct device *dev, > int ret = 0; > > wdev = iwm_wdev_alloc(sizeof_bus, dev); > - if (!wdev) { > + if (IS_ERR(wdev)) { > dev_err(dev, "no memory for wireless device instance\n"); > return ERR_PTR(-ENOMEM); > } > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- 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
On Tue, Jul 28, 2009 at 10:30:44AM -0700, David Miller wrote: > From: Julia Lawall <julia@diku.dk> > Date: Tue, 28 Jul 2009 17:54:24 +0200 (CEST) > > Wireless patches need to be CC:'d to linux-wireless so that > John Linville can notice and pick them up. Added... Thanks...FWIW, I've got a nearly identical patch from Dan Carpenter queued already. John
diff --git a/drivers/net/wireless/iwmc3200wifi/netdev.c b/drivers/net/wireless/iwmc3200wifi/netdev.c index bb71f8a..e1c6693 100644 --- a/drivers/net/wireless/iwmc3200wifi/netdev.c +++ b/drivers/net/wireless/iwmc3200wifi/netdev.c @@ -99,7 +99,7 @@ void *iwm_if_alloc(int sizeof_bus, struct device *dev, int ret = 0; wdev = iwm_wdev_alloc(sizeof_bus, dev); - if (!wdev) { + if (IS_ERR(wdev)) { dev_err(dev, "no memory for wireless device instance\n"); return ERR_PTR(-ENOMEM); }