Messages in this thread Patch in this message | | | Subject | [PATCH] IPC-mqueue: Delete unnecessary checks before two function calls | From | SF Markus Elfring <> | Date | Thu, 5 Nov 2015 18:00:46 +0100 |
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From: Markus Elfring <elfring@users.sourceforge.net> Date: Thu, 5 Nov 2015 17:55:25 +0100
The functions iput() and unregister_sysctl_table() test whether their argument is NULL and then return immediately. Thus the tests around their calls are not needed.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> --- ipc/mqueue.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/ipc/mqueue.c b/ipc/mqueue.c index 161a180..ade9dd8 100644 --- a/ipc/mqueue.c +++ b/ipc/mqueue.c @@ -885,8 +885,7 @@ SYSCALL_DEFINE1(mq_unlink, const char __user *, u_name) out_unlock: mutex_unlock(&d_inode(mnt->mnt_root)->i_mutex); - if (inode) - iput(inode); + iput(inode); mnt_drop_write(mnt); out_name: putname(name); @@ -1460,8 +1459,7 @@ static int __init init_mqueue_fs(void) out_filesystem: unregister_filesystem(&mqueue_fs_type); out_sysctl: - if (mq_sysctl_table) - unregister_sysctl_table(mq_sysctl_table); + unregister_sysctl_table(mq_sysctl_table); kmem_cache_destroy(mqueue_inode_cachep); return error; } -- 2.6.2
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