[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 <dan.carpenter@oracle.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/pci/mantis/mantis_ca.c b/drivers/media/pci/mantis/mantis_ca.c
index 3d70469..60c6c2f 100644
--- a/drivers/media/pci/mantis/mantis_ca.c
+++ b/drivers/media/pci/mantis/mantis_ca.c
@@ -198,11 +198,12 @@
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);
}