From: H Hartley Sweeten <hsweeten@visionengravers.com>
Date: Wed, 4 Mar 2015 19:15:30 +0000 (-0700)
Subject: staging: comedi: amplc_pci224: (!foo) preferred over (foo == NULL)
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=0048b9923daced04ffcb3b9974019b488ce19e8f;p=deliverable%2Flinux.git

staging: comedi: amplc_pci224: (!foo) preferred over (foo == NULL)

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/staging/comedi/drivers/amplc_pci224.c b/drivers/staging/comedi/drivers/amplc_pci224.c
index 88b8c0101c25..8ac35f9fc69f 100644
--- a/drivers/staging/comedi/drivers/amplc_pci224.c
+++ b/drivers/staging/comedi/drivers/amplc_pci224.c
@@ -838,7 +838,7 @@ static int pci224_ao_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 	unsigned long flags;
 
 	/* Cannot handle null/empty chanlist. */
-	if (cmd->chanlist == NULL || cmd->chanlist_len == 0)
+	if (!cmd->chanlist || cmd->chanlist_len == 0)
 		return -EINVAL;
 
 	/* Determine which channels are enabled and their load order.  */