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Diffstat (limited to 'arch/x86/kernel/early_printk.c')
-rw-r--r--arch/x86/kernel/early_printk.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/x86/kernel/early_printk.c b/arch/x86/kernel/early_printk.c
index 9b9f18b49918..5e4771266f1a 100644
--- a/arch/x86/kernel/early_printk.c
+++ b/arch/x86/kernel/early_printk.c
@@ -119,7 +119,7 @@ static __init void early_serial_init(char *s)
unsigned char c;
unsigned divisor;
unsigned baud = DEFAULT_BAUD;
- char *e;
+ ssize_t ret;
if (*s == ',')
++s;
@@ -127,14 +127,14 @@ static __init void early_serial_init(char *s)
if (*s) {
unsigned port;
if (!strncmp(s, "0x", 2)) {
- early_serial_base = simple_strtoul(s, &e, 16);
+ ret = kstrtoint(s, 16, &early_serial_base);
} else {
static const int __initconst bases[] = { 0x3f8, 0x2f8 };
if (!strncmp(s, "ttyS", 4))
s += 4;
- port = simple_strtoul(s, &e, 10);
- if (port > 1 || s == e)
+ ret = kstrtouint(s, 10, &port);
+ if (ret || port > 1)
port = 0;
early_serial_base = bases[port];
}
@@ -149,8 +149,8 @@ static __init void early_serial_init(char *s)
outb(0x3, early_serial_base + MCR); /* DTR + RTS */
if (*s) {
- baud = simple_strtoul(s, &e, 0);
- if (baud == 0 || s == e)
+ ret = kstrtouint(s, 0, &baud);
+ if (ret || baud == 0)
baud = DEFAULT_BAUD;
}