summaryrefslogtreecommitdiff
path: root/arch/x86/boot/early_serial_console.c
diff options
context:
space:
mode:
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2026-07-24 16:21:27 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2026-07-24 16:21:27 +0200
commit8f9aa2c90530ab92301a82231ae44f3722becd93 (patch)
treefb282e955b0a880b07131a135257fe3ec764e928 /arch/x86/boot/early_serial_console.c
parent93467b31bec6da512b51544e5e4584f2745e995e (diff)
parent155b42bec9cbb6b8cdc47dd9bd09503a81fbe493 (diff)
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/x86/boot/early_serial_console.c')
-rw-r--r--arch/x86/boot/early_serial_console.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/arch/x86/boot/early_serial_console.c b/arch/x86/boot/early_serial_console.c
index 023bf1c3de8b..5b83beab89e1 100644
--- a/arch/x86/boot/early_serial_console.c
+++ b/arch/x86/boot/early_serial_console.c
@@ -117,7 +117,7 @@ static unsigned int probe_baud(int port)
static void parse_console_uart8250(void)
{
char optstr[64], *options;
- int baud = DEFAULT_BAUD;
+ int baud;
int port = 0;
/*
@@ -136,10 +136,13 @@ static void parse_console_uart8250(void)
else
return;
- if (options && (options[0] == ','))
- baud = simple_strtoull(options + 1, &options, 0);
- else
+ if (options && (options[0] == ',')) {
+ baud = simple_strtoull(options + 1, NULL, 0);
+ if (!baud)
+ baud = DEFAULT_BAUD;
+ } else {
baud = probe_baud(port);
+ }
if (port)
early_serial_init(port, baud);