From: akpm@linux-foundation.org
To: isdn@linux-pingi.de
Cc: netdev@vger.kernel.org, akpm@linux-foundation.org, error27@gmail.com
Subject: [patch 4/6] mISDN: fix reversed if in st_own_ctrl()
Date: Fri, 18 Sep 2009 12:53:04 -0700 [thread overview]
Message-ID: <200909181953.n8IJr4cS026252@imap1.linux-foundation.org> (raw)
From: Dan Carpenter <error27@gmail.com>
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>
---
drivers/isdn/mISDN/stack.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN drivers/isdn/mISDN/stack.c~misdn-fix-reversed-if-in-st_own_ctrl drivers/isdn/mISDN/stack.c
--- a/drivers/isdn/mISDN/stack.c~misdn-fix-reversed-if-in-st_own_ctrl
+++ a/drivers/isdn/mISDN/stack.c
@@ -364,7 +364,7 @@ add_layer2(struct mISDNchannel *ch, stru
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);
}
_
reply other threads:[~2009-09-18 20:01 UTC|newest]
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