From mboxrd@z Thu Jan 1 00:00:00 1970 From: SF Markus Elfring Date: Sat, 27 Jun 2015 12:10:34 +0000 Subject: [PATCH] staging: comedi: adl_pci9118: Delete an unnecessary check before the function call "pci_dev_ Message-Id: <558E92BA.2090101@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 , H Hartley Sweeten , Ian Abbott , devel@driverdev.osuosl.org Cc: LKML , kernel-janitors@vger.kernel.org, Julia Lawall From: Markus Elfring Date: Sat, 27 Jun 2015 13:50:43 +0200 The pci_dev_put() 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/comedi/drivers/adl_pci9118.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/staging/comedi/drivers/adl_pci9118.c b/drivers/staging/comedi/drivers/adl_pci9118.c index fb3043d..19b5806 100644 --- a/drivers/staging/comedi/drivers/adl_pci9118.c +++ b/drivers/staging/comedi/drivers/adl_pci9118.c @@ -1717,8 +1717,7 @@ static void pci9118_detach(struct comedi_device *dev) pci9118_reset(dev); comedi_pci_detach(dev); pci9118_free_dma(dev); - if (pcidev) - pci_dev_put(pcidev); + pci_dev_put(pcidev); } static struct comedi_driver adl_pci9118_driver = { -- 2.4.4