From mboxrd@z Thu Jan 1 00:00:00 1970 From: SF Markus Elfring Date: Sun, 18 Jan 2015 14:31:07 +0000 Subject: [PATCH 0/3] block: Deletion of checks before three function calls Message-Id: <54BBC3AB.6040207@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.so urceforge.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: Don Brace , iss_storagedev@hp.com, storagedev@pmcs.com, linux-scsi@vger.kernel.org Cc: LKML , kernel-janitors@vger.kernel.org, Julia Lawall From: Markus Elfring Date: Sun, 18 Jan 2015 14:50:06 +0100 Functions which release a system resource are occasionally documented in the way that they tolerate the passing of a null pointer for example. I do not see a need because of this fact that a function caller repeats a corresponding check. Markus Elfring (3): cciss: Deletion of an unnecessary check before the function call "put_disk" z2ram: Delete an unnecessary check before the function call "kfree" Deletion of checks before the function call "iounmap" drivers/block/cciss.c | 18 ++++++------------ drivers/block/mg_disk.c | 3 +-- drivers/block/skd_main.c | 6 ++---- 3 files changed, 9 insertions(+), 18 deletions(-) -- 2.2.2