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authorOmar Sandoval <osandov@fb.com>2017-05-04 00:31:26 -0700
committerJens Axboe <axboe@fb.com>2017-05-04 08:23:20 -0600
commit71b90511cb170dd3e13b640cc1a453b2dd92e023 (patch)
treefa2a1fd30e70b8fee6236864cb15e0b318072d0d /block/blk-mq-debugfs.c
parentc7e4145ae11b45931f117aa64c26be6cf58302df (diff)
downloadlinux-71b90511cb170dd3e13b640cc1a453b2dd92e023.tar.bz2
blk-mq-debugfs: don't open code strstrip()
Slightly more readable, plus we also strip leading spaces. Signed-off-by: Omar Sandoval <osandov@fb.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'block/blk-mq-debugfs.c')
-rw-r--r--block/blk-mq-debugfs.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/block/blk-mq-debugfs.c b/block/blk-mq-debugfs.c
index 2a19237455d4..109ae9f3d400 100644
--- a/block/blk-mq-debugfs.c
+++ b/block/blk-mq-debugfs.c
@@ -111,17 +111,16 @@ static ssize_t blk_queue_flags_store(struct file *file, const char __user *buf,
size_t count, loff_t *ppos)
{
struct request_queue *q = file_inode(file)->i_private;
- char op[16] = { }, *s;
+ char opbuf[16] = { }, *op;
- if (count >= sizeof(op)) {
+ if (count >= sizeof(opbuf)) {
pr_err("%s: operation too long\n", __func__);
goto inval;
}
- if (copy_from_user(op, buf, count))
+ if (copy_from_user(opbuf, buf, count))
return -EFAULT;
- s = op;
- strsep(&s, " \t\n"); /* strip trailing whitespace */
+ op = strstrip(opbuf);
if (strcmp(op, "run") == 0) {
blk_mq_run_hw_queues(q, true);
} else if (strcmp(op, "start") == 0) {