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misdn: Fix reversed 'if' in st_own_ctrl 

The current code probably returns -EINVAL a lot.  Otherwise it would oops.

Compile tested only.  Found by smatch (http://repo.or.cz/w/smatch.git).

Signed-off-by: Dan Carpenter <error27@gmail.com>
Cc: Karsten Keil <isdn@linux-pingi.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Dan Carpenter 2009-11-04 08:27:09 -08:00 committed by David S. Miller
parent 02303d2028
commit 08cb3f60b2
1 changed files with 1 additions and 1 deletions
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2
drivers/isdn/mISDN/stack.c
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@ -364,7 +364,7 @@ add_layer2(struct mISDNchannel *ch, struct mISDNstack *st)
static int
st_own_ctrl(struct mISDNchannel *ch, u_int cmd, void *arg)
{
if (!ch->st || ch->st->layer1)
if (!ch->st || !ch->st->layer1)
return -EINVAL;
return ch->st->layer1->ctrl(ch->st->layer1, cmd, arg);
}