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[media] dvb-core: preserve the delivery system at cache clear 

The changeset 240ab508aa is incomplete, as the first thing that
happens at cache clear is to do a memset with 0 to the cache.

So, the delivery system needs to be explicitly preserved there.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mauro Carvalho Chehab 2012-01-13 11:46:36 -02:00
parent f4b1952a45
commit 149709f5b8
1 changed files with 3 additions and 0 deletions
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3
drivers/media/dvb/dvb-core/dvb_frontend.c
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@ -904,8 +904,11 @@ static int dvb_frontend_clear_cache(struct dvb_frontend *fe)
{
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
int i;
u32 delsys;
delsys = c->delivery_system;
memset(c, 0, sizeof(struct dtv_frontend_properties));
c->delivery_system = delsys;
c->state = DTV_CLEAR;