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authorDavid Woodhouse <David.Woodhouse@intel.com>2008-07-25 10:40:14 -0400
committerDavid Woodhouse <David.Woodhouse@intel.com>2008-07-25 10:40:14 -0400
commitff877ea80efa2015b6263766f78ee42c2a1b32f9 (patch)
tree85205005c611ab774702148558321c6fb92f1ccd /arch/x86/kernel/io_delay.c
parent30821fee4f0cb3e6d241d9f7ddc37742212e3eb7 (diff)
parentd37e6bf68fc1eb34a4ad21d9ae8890ed37ea80e7 (diff)
Merge branch 'linux-next' of git://git.infradead.org/~dedekind/ubi-2.6
Diffstat (limited to 'arch/x86/kernel/io_delay.c')
-rw-r--r--arch/x86/kernel/io_delay.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kernel/io_delay.c b/arch/x86/kernel/io_delay.c
index 5921e5f0a640..1c3a66a67f83 100644
--- a/arch/x86/kernel/io_delay.c
+++ b/arch/x86/kernel/io_delay.c
@@ -103,6 +103,9 @@ void __init io_delay_init(void)
static int __init io_delay_param(char *s)
{
+ if (!s)
+ return -EINVAL;
+
if (!strcmp(s, "0x80"))
io_delay_type = CONFIG_IO_DELAY_TYPE_0X80;
else if (!strcmp(s, "0xed"))