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* [patch] isdn: remove duplicate NULL check
@ 2012-05-17  6:51 Dan Carpenter
  2012-05-17  8:48 ` David Miller
  0 siblings, 1 reply; 2+ messages in thread
From: Dan Carpenter @ 2012-05-17  6:51 UTC (permalink / raw)
  To: Karsten Keil
  Cc: David Howells, Phil Carmody, netdev, kernel-janitors,
	David S. Miller

We test both "!skb_out" and "skb_out" here which is duplicative and
causes a static checker warning.  I considered that the intent might
have been to test "skb_in" but that's a valid pointer here.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

diff --git a/drivers/isdn/i4l/isdn_bsdcomp.c b/drivers/isdn/i4l/isdn_bsdcomp.c
index c59e8d2..8837ac5 100644
--- a/drivers/isdn/i4l/isdn_bsdcomp.c
+++ b/drivers/isdn/i4l/isdn_bsdcomp.c
@@ -612,7 +612,7 @@ static int bsd_compress(void *state, struct sk_buff *skb_in, struct sk_buff *skb
 		db->n_bits++;
 
 	/* If output length is too large then this is an incompressible frame. */
-	if (!skb_out || (skb_out && skb_out->len >= skb_in->len)) {
+	if (!skb_out || skb_out->len >= skb_in->len) {
 		++db->incomp_count;
 		db->incomp_bytes += isize;
 		return 0;

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [patch] isdn: remove duplicate NULL check
  2012-05-17  6:51 [patch] isdn: remove duplicate NULL check Dan Carpenter
@ 2012-05-17  8:48 ` David Miller
  0 siblings, 0 replies; 2+ messages in thread
From: David Miller @ 2012-05-17  8:48 UTC (permalink / raw)
  To: dan.carpenter; +Cc: isdn, dhowells, ext-phil.2.carmody, netdev, kernel-janitors

From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Thu, 17 May 2012 09:51:02 +0300

> We test both "!skb_out" and "skb_out" here which is duplicative and
> causes a static checker warning.  I considered that the intent might
> have been to test "skb_in" but that's a valid pointer here.
> 
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

Applied, thanks.

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2012-05-17  6:51 [patch] isdn: remove duplicate NULL check Dan Carpenter
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