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| author | Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> | 2018-01-19 13:39:01 +0900 |
|---|---|---|
| committer | Petr Mladek <pmladek@suse.com> | 2018-01-22 10:33:04 +0100 |
| commit | 6fd78a1a99c9580da49ee8f951fdce9846256375 (patch) | |
| tree | 72805c356b7735b3084d7a50161725339bbc5c4d /kernel/printk | |
| parent | cca10d58d25d271f05e1115132b4c2d913bb652e (diff) | |
| download | linux-6fd78a1a99c9580da49ee8f951fdce9846256375.tar.gz linux-6fd78a1a99c9580da49ee8f951fdce9846256375.tar.bz2 linux-6fd78a1a99c9580da49ee8f951fdce9846256375.zip | |
printk: drop redundant devkmsg_log_str memsets
We copy in null terminated strings "on" and "off", no
need to zero out devkmsg_log_str in control_devkmsg().
Link: http://lkml.kernel.org/r/20180119043901.1728-1-sergey.senozhatsky@gmail.com
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Petr Mladek <pmladek@suse.com>
Diffstat (limited to 'kernel/printk')
| -rw-r--r-- | kernel/printk/printk.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c index 568729e0dc2c..bf2e6741ec12 100644 --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c @@ -131,13 +131,10 @@ static int __init control_devkmsg(char *str) /* * Set sysctl string accordingly: */ - if (devkmsg_log == DEVKMSG_LOG_MASK_ON) { - memset(devkmsg_log_str, 0, DEVKMSG_STR_MAX_SIZE); - strncpy(devkmsg_log_str, "on", 2); - } else if (devkmsg_log == DEVKMSG_LOG_MASK_OFF) { - memset(devkmsg_log_str, 0, DEVKMSG_STR_MAX_SIZE); - strncpy(devkmsg_log_str, "off", 3); - } + if (devkmsg_log == DEVKMSG_LOG_MASK_ON) + strcpy(devkmsg_log_str, "on"); + else if (devkmsg_log == DEVKMSG_LOG_MASK_OFF) + strcpy(devkmsg_log_str, "off"); /* else "ratelimit" which is set by default. */ /* |