diff options
| author | Cyrill Gorcunov <gorcunov@gmail.com> | 2008-07-31 20:52:21 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2008-08-06 09:03:12 -0700 |
| commit | 7cdece1700d9ac159742ee6e4e89a52389818297 (patch) | |
| tree | 7a23aa9fe4af836bbbc143a4fa50080cfb761cf1 /arch | |
| parent | c4ec1c369322fc6dd1512975e11d2d2abe90a705 (diff) | |
x86: idle process - add checking for NULL early param
[ Upstream commit ab6bc3e343fbe3be4a0f67225e849d0db6b4b7ac ]
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Cc: akpm@linux-foundation.org
Cc: andi@firstfloor.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
CC: Oliver Pinter <oliver.pntr@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kernel/process.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index ba370dc8685b..58325a6604a4 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -164,6 +164,9 @@ void __cpuinit select_idle_routine(const struct cpuinfo_x86 *c) static int __init idle_setup(char *str) { + if (!str) + return -EINVAL; + if (!strcmp(str, "poll")) { printk("using polling idle threads.\n"); pm_idle = poll_idle; |