From: Dan Carpenter Date: Sun, 2 Dec 2012 09:43:13 +0000 (-0300) Subject: [media] mantis: cleanup NULL checking in mantis_ca_exit() X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=1d6ca29db8b1f213de880b10ac28aed0a19c1d4a;p=openwrt%2Fstaging%2Fblogic.git [media] mantis: cleanup NULL checking in mantis_ca_exit() Smatch complainst that the call to mantis_evmgr_exit() dereferences "ca" but then we check it for NULL on the next line. I've moved the NULL check forward to avoid that. Signed-off-by: Dan Carpenter Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/pci/mantis/mantis_ca.c b/drivers/media/pci/mantis/mantis_ca.c index 3d7046909009..60c6c2f24066 100644 --- a/drivers/media/pci/mantis/mantis_ca.c +++ b/drivers/media/pci/mantis/mantis_ca.c @@ -198,11 +198,12 @@ void mantis_ca_exit(struct mantis_pci *mantis) struct mantis_ca *ca = mantis->mantis_ca; dprintk(MANTIS_DEBUG, 1, "Mantis CA exit"); + if (!ca) + return; mantis_evmgr_exit(ca); dprintk(MANTIS_ERROR, 1, "Unregistering EN50221 device"); - if (ca) - dvb_ca_en50221_release(&ca->en50221); + dvb_ca_en50221_release(&ca->en50221); kfree(ca); }