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From: Rasmus Villemoes <linux@rasmusvillemoes.dk>
To: Andrew Morton <akpm@linux-foundation.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Joe Perches <joe@perches.com>, Al Viro <viro@ZenIV.linux.org.uk>,
	Rasmus Villemoes <linux@rasmusvillemoes.dk>,
	linux-kernel@vger.kernel.org
Subject: [PATCH v2 4/8] lib/kobject.c: Use strreplace
Date: Tue,  9 Jun 2015 01:26:52 +0200	[thread overview]
Message-ID: <1433806017-10823-5-git-send-email-linux@rasmusvillemoes.dk> (raw)
In-Reply-To: <1433806017-10823-1-git-send-email-linux@rasmusvillemoes.dk>

There's probably not many slashes in the name, but starting over when
we see one feels wrong.

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
---
v2: Original code relied on the const laundering done by strchr; v1
had a corresponding explicit (char*) cast. Avoid this altogether.

 lib/kobject.c | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/lib/kobject.c b/lib/kobject.c
index 3b841b97fccd..75ee63834fd1 100644
--- a/lib/kobject.c
+++ b/lib/kobject.c
@@ -257,23 +257,20 @@ static int kobject_add_internal(struct kobject *kobj)
 int kobject_set_name_vargs(struct kobject *kobj, const char *fmt,
 				  va_list vargs)
 {
-	const char *old_name = kobj->name;
 	char *s;
 
 	if (kobj->name && !fmt)
 		return 0;
 
-	kobj->name = kvasprintf(GFP_KERNEL, fmt, vargs);
-	if (!kobj->name) {
-		kobj->name = old_name;
+	s = kvasprintf(GFP_KERNEL, fmt, vargs);
+	if (!s)
 		return -ENOMEM;
-	}
 
 	/* ewww... some of these buggers have '/' in the name ... */
-	while ((s = strchr(kobj->name, '/')))
-		s[0] = '!';
+	strreplace(s, '/', '!');
+	kfree(kobj->name);
+	kobj->name = s;
 
-	kfree(old_name);
 	return 0;
 }
 
-- 
2.1.3


  parent reply	other threads:[~2015-06-08 23:30 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-06-08 23:26 [PATCH v2 0/8] Introduce strreplace Rasmus Villemoes
2015-06-08 23:26 ` [PATCH v2 1/8] lib: string: " Rasmus Villemoes
2015-06-09  0:00   ` Joe Perches
2015-06-09  7:17     ` Rasmus Villemoes
2015-06-08 23:26 ` [PATCH v2 2/8] kernel/trace/trace_events_filter.c: Use strreplace Rasmus Villemoes
2015-06-08 23:26 ` [PATCH v2 3/8] blktrace: use strreplace in do_blk_trace_setup Rasmus Villemoes
2015-06-09  3:05   ` Jens Axboe
2015-06-08 23:26 ` Rasmus Villemoes [this message]
2015-06-08 23:26 ` [PATCH v2 5/8] drivers/base/core.c: Use strreplace Rasmus Villemoes
2015-06-08 23:26 ` [PATCH v2 6/8] drivers/md/md.c: " Rasmus Villemoes
2015-06-09 21:17   ` Neil Brown
2015-06-08 23:26 ` [PATCH v2 7/8] fs/jbd2/journal.c: " Rasmus Villemoes
2015-06-08 23:26 ` [PATCH v2 8/8] fs/ext4/super.c: Use strreplace in ext4_fill_super Rasmus Villemoes
2015-06-09  0:55 ` [PATCH v2 0/8] Introduce strreplace Theodore Ts'o
2015-06-09  7:25   ` Rasmus Villemoes
2015-06-09 21:02 ` Andrew Morton

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