summaryrefslogtreecommitdiffstats
path: root/drivers/tty/serial/kgdboc.c
diff options
context:
space:
mode:
authorWolfram Sang <wsa@the-dreams.de>2018-12-11 20:58:20 +0100
committerWolfram Sang <wsa@the-dreams.de>2018-12-11 20:58:20 +0100
commit66693960f574aa830986e1603657af36423b24eb (patch)
tree035aae54d64d79e514f95e18cc3dcf411a98c55e /drivers/tty/serial/kgdboc.c
parent3ca3f86f7f4856222a8b697d60d32717160a1a1b (diff)
parent40e020c129cfc991e8ab4736d2665351ffd1468d (diff)
downloadlinux-66693960f574aa830986e1603657af36423b24eb.tar.gz
linux-66693960f574aa830986e1603657af36423b24eb.tar.bz2
linux-66693960f574aa830986e1603657af36423b24eb.zip
Merge tag 'v4.20-rc6' into i2c/for-5.0
Linux 4.20-rc6
Diffstat (limited to 'drivers/tty/serial/kgdboc.c')
-rw-r--r--drivers/tty/serial/kgdboc.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/tty/serial/kgdboc.c b/drivers/tty/serial/kgdboc.c
index baeeeaec3f03..6fb312e7af71 100644
--- a/drivers/tty/serial/kgdboc.c
+++ b/drivers/tty/serial/kgdboc.c
@@ -233,7 +233,7 @@ static void kgdboc_put_char(u8 chr)
static int param_set_kgdboc_var(const char *kmessage,
const struct kernel_param *kp)
{
- int len = strlen(kmessage);
+ size_t len = strlen(kmessage);
if (len >= MAX_CONFIG_LEN) {
pr_err("config string too long\n");
@@ -254,7 +254,7 @@ static int param_set_kgdboc_var(const char *kmessage,
strcpy(config, kmessage);
/* Chop out \n char as a result of echo */
- if (config[len - 1] == '\n')
+ if (len && config[len - 1] == '\n')
config[len - 1] = '\0';
if (configured == 1)