summaryrefslogtreecommitdiff
path: root/drivers/tty/tty_io.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/tty/tty_io.c')
-rw-r--r--drivers/tty/tty_io.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index da3c1c2f73c4..ee80dfbd5442 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -409,7 +409,7 @@ struct tty_driver *tty_find_polling_driver(char *name, int *line)
mutex_lock(&tty_mutex);
/* Search through the tty devices to look for a match */
list_for_each_entry(p, &tty_drivers, tty_drivers) {
- if (strncmp(name, p->name, len) != 0)
+ if (!len || strncmp(name, p->name, len) != 0)
continue;
stp = str;
if (*stp == ',')