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[media] mantis: cleanup NULL checking in mantis_ca_exit()

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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>
This commit is contained in:
Dan Carpenter 2012-12-02 06:43:13 -03:00 committed by Mauro Carvalho Chehab
parent 081416e62d
commit 1d6ca29db8
1 changed files with 3 additions and 2 deletions
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5
drivers/media/pci/mantis/mantis_ca.c
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@ -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);
}