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-rw-r--r--lib/dma-debug.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/dma-debug.c b/lib/dma-debug.c
index 77053d9ef513..b8a61ff08544 100644
--- a/lib/dma-debug.c
+++ b/lib/dma-debug.c
@@ -542,7 +542,8 @@ static ssize_t filter_write(struct file *file, const char __user *userbuf,
542 542
543 write_lock_irqsave(&driver_name_lock, flags); 543 write_lock_irqsave(&driver_name_lock, flags);
544 544
545 /* Now handle the string we got from userspace very carefully. 545 /*
546 * Now handle the string we got from userspace very carefully.
546 * The rules are: 547 * The rules are:
547 * - only use the first token we got 548 * - only use the first token we got
548 * - token delimiter is everything looking like a space 549 * - token delimiter is everything looking like a space
@@ -551,7 +552,7 @@ static ssize_t filter_write(struct file *file, const char __user *userbuf,
551 */ 552 */
552 if (!isalnum(buf[0])) { 553 if (!isalnum(buf[0])) {
553 /* 554 /*
554 If the first character userspace gave us is not 555 * If the first character userspace gave us is not
555 * alphanumerical then assume the filter should be 556 * alphanumerical then assume the filter should be
556 * switched off. 557 * switched off.
557 */ 558 */