From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rasmus Villemoes Subject: [PATCH] fs: Use strchrnul in get_fs_type Date: Fri, 30 Jan 2015 14:26:13 +0100 Message-ID: <1422624373-16617-1-git-send-email-linux@rasmusvillemoes.dk> Cc: Rasmus Villemoes , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org To: Alexander Viro Return-path: Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.org Using strchrnul yields smaller code and avoids extra strlen call. Signed-off-by: Rasmus Villemoes --- fs/filesystems.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/fs/filesystems.c b/fs/filesystems.c index 5797d45a78cb..d56a7bb09afa 100644 --- a/fs/filesystems.c +++ b/fs/filesystems.c @@ -271,14 +271,14 @@ static struct file_system_type *__get_fs_type(const char *name, int len) struct file_system_type *get_fs_type(const char *name) { struct file_system_type *fs; - const char *dot = strchr(name, '.'); - int len = dot ? dot - name : strlen(name); + const char *dot = strchrnul(name, '.'); + int len = dot - name; fs = __get_fs_type(name, len); if (!fs && (request_module("fs-%.*s", len, name) == 0)) fs = __get_fs_type(name, len); - if (dot && fs && !(fs->fs_flags & FS_HAS_SUBTYPE)) { + if (*dot && fs && !(fs->fs_flags & FS_HAS_SUBTYPE)) { put_filesystem(fs); fs = NULL; } -- 2.1.3