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authorJoel Stanley <joel@jms.id.au>2018-11-27 08:23:56 +0300
committerJoel Stanley <joel@jms.id.au>2018-11-27 08:24:09 +0300
commitd608acfd4ac3fe17f3081bee8fcd4dcd896c2ffa (patch)
treeade4450a72a2e358a1d2e5cde321de0097fb291c /drivers/tty/tty_io.c
parent62ccc3924eff37012bd0c227d8b7dc71188fc358 (diff)
parenta9da8725b7a744be3ff0ff44cab2547e4d1e6675 (diff)
downloadlinux-dev-4.18.tar.xz
Merge tag 'v4.18.20' into dev-4.18dev-4.18
This is the 4.18.20 stable release Signed-off-by: Joel Stanley <joel@jms.id.au>
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 31d06f59c4e4..da45120d9453 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -408,7 +408,7 @@ 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 == ',')