From: Li zeming <zeming@nfschina.com>
Date: Mon, 15 Jan 2024 06:25:19 +0000 (+0800)
Subject: user_namespace: remove unnecessary NULL values from kbuf
X-Git-Tag: v6.9-rc1~106^2~61
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6db9d317833dd89d666ca0373c7b60f413bca9eb;p=thirdparty%2Flinux.git

user_namespace: remove unnecessary NULL values from kbuf

kbuf is assigned first, so it does not need to initialize the assignment.

Link: https://lkml.kernel.org/r/20240115062519.31298-1-zeming@nfschina.com
Signed-off-by: Li zeming <zeming@nfschina.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

diff --git a/kernel/user_namespace.c b/kernel/user_namespace.c
index ce4d99df5f0eb..0b0b95418b16a 100644
--- a/kernel/user_namespace.c
+++ b/kernel/user_namespace.c
@@ -931,7 +931,7 @@ static ssize_t map_write(struct file *file, const char __user *buf,
 	struct uid_gid_map new_map;
 	unsigned idx;
 	struct uid_gid_extent extent;
-	char *kbuf = NULL, *pos, *next_line;
+	char *kbuf, *pos, *next_line;
 	ssize_t ret;
 
 	/* Only allow < page size writes at the beginning of the file */