From mboxrd@z Thu Jan 1 00:00:00 1970 From: SF Markus Elfring Date: Tue, 25 Nov 2014 15:57:03 +0000 Subject: [PATCH 1/1] staging: ozwpan: Deletion of unnecessary checks before the function call "oz_free_urb_li Message-Id: <5474A6CF.1040000@users.sourceforge.net> List-Id: References: <5307CAA2.8060406@users.sourceforge.net> <530A086E.8010901@users.sourceforge.net> <530A72AA.3000601@users.sourceforge.net> <530B5FB6.6010207@users.sourceforge.net> <530C5E18.1020800@users.sourceforge.net> <530CD2C4.4050903@users.sourceforge.net> <530CF8FF.8080600@users.sourceforge.net> <530DD06F.4090703@users.sourceforge.net> <5317A59D.4@users.sourceforge.net> In-Reply-To: <5317A59D.4@users.sourceforge.net> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Greg Kroah-Hartman , Shigekatsu Tateno , devel@driverdev.osuosl.org Cc: LKML , kernel-janitors@vger.kernel.org, Julia Lawall From: Markus Elfring Date: Tue, 25 Nov 2014 16:51:08 +0100 The oz_free_urb_link() function tests whether its argument is NULL and then returns immediately. Thus the test around the call is not needed. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring --- drivers/staging/ozwpan/ozhcd.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/staging/ozwpan/ozhcd.c b/drivers/staging/ozwpan/ozhcd.c index 30bd928..c9b6d98 100644 --- a/drivers/staging/ozwpan/ozhcd.c +++ b/drivers/staging/ozwpan/ozhcd.c @@ -411,8 +411,7 @@ static void oz_complete_urb(struct usb_hcd *hcd, struct urb *urb, } spin_lock(&g_tasklet_lock); spin_unlock_irqrestore(&g_tasklet_lock, irq_state); - if (cancel_urbl) - oz_free_urb_link(cancel_urbl); + oz_free_urb_link(cancel_urbl); } /* @@ -581,8 +580,7 @@ static int oz_dequeue_ep_urb(struct oz_port *port, u8 ep_addr, int in_dir, } } spin_unlock_bh(&port->ozhcd->hcd_lock); - if (urbl) - oz_free_urb_link(urbl); + oz_free_urb_link(urbl); return urbl ? 0 : -EIDRM; } -- 2.1.3