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Commit 71b90511 authored by Omar Sandoval's avatar Omar Sandoval Committed by Jens Axboe
Browse files

blk-mq-debugfs: don't open code strstrip() 



Slightly more readable, plus we also strip leading spaces.

Signed-off-by: default avatarOmar Sandoval <osandov@fb.com>
Reviewed-by: default avatarHannes Reinecke <hare@suse.com>
Signed-off-by: default avatarJens Axboe <axboe@fb.com>
parent c7e4145a

block/blk-mq-debugfs.c

+4 −5
Original line number Diff line number Diff line
@@ -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) {