From mboxrd@z Thu Jan 1 00:00:00 1970 From: SF Markus Elfring Date: Mon, 02 Feb 2015 18:25:48 +0000 Subject: [PATCH] EDAC: Deletion of unnecessary checks before the function call "pci_dev_put" Message-Id: <54CFC12C.9010002@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: "Arvind R." , Borislav Petkov , Doug Thompson , Mauro Carvalho Chehab , Tim Small , linux-edac@vger.kernel.org Cc: LKML , kernel-janitors@vger.kernel.org, Julia Lawall From: Markus Elfring Date: Mon, 2 Feb 2015 18:26:34 +0100 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/edac/i82443bxgx_edac.c | 4 +--- drivers/edac/i82860_edac.c | 9 ++------- drivers/edac/i82875p_edac.c | 4 +--- drivers/edac/i82975x_edac.c | 4 +--- 4 files changed, 5 insertions(+), 16 deletions(-) diff --git a/drivers/edac/i82443bxgx_edac.c b/drivers/edac/i82443bxgx_edac.c index b4705d9..38d6406 100644 --- a/drivers/edac/i82443bxgx_edac.c +++ b/drivers/edac/i82443bxgx_edac.c @@ -445,9 +445,7 @@ fail1: pci_unregister_driver(&i82443bxgx_edacmc_driver); fail0: - if (mci_pdev != NULL) - pci_dev_put(mci_pdev); - + pci_dev_put(mci_pdev); return pci_rc; } diff --git a/drivers/edac/i82860_edac.c b/drivers/edac/i82860_edac.c index 4382343..ee1078c 100644 --- a/drivers/edac/i82860_edac.c +++ b/drivers/edac/i82860_edac.c @@ -343,20 +343,15 @@ fail1: pci_unregister_driver(&i82860_driver); fail0: - if (mci_pdev != NULL) - pci_dev_put(mci_pdev); - + pci_dev_put(mci_pdev); return pci_rc; } static void __exit i82860_exit(void) { edac_dbg(3, "\n"); - pci_unregister_driver(&i82860_driver); - - if (mci_pdev != NULL) - pci_dev_put(mci_pdev); + pci_dev_put(mci_pdev); } module_init(i82860_init); diff --git a/drivers/edac/i82875p_edac.c b/drivers/edac/i82875p_edac.c index 64b6832..c26a513 100644 --- a/drivers/edac/i82875p_edac.c +++ b/drivers/edac/i82875p_edac.c @@ -576,9 +576,7 @@ fail1: pci_unregister_driver(&i82875p_driver); fail0: - if (mci_pdev != NULL) - pci_dev_put(mci_pdev); - + pci_dev_put(mci_pdev); return pci_rc; } diff --git a/drivers/edac/i82975x_edac.c b/drivers/edac/i82975x_edac.c index 10b1052..35ab66c 100644 --- a/drivers/edac/i82975x_edac.c +++ b/drivers/edac/i82975x_edac.c @@ -685,9 +685,7 @@ fail1: pci_unregister_driver(&i82975x_driver); fail0: - if (mci_pdev != NULL) - pci_dev_put(mci_pdev); - + pci_dev_put(mci_pdev); return pci_rc; } -- 2.2.2