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>

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) {