[ 095/108] ACPI sysfs.c strlen fix

Ben Hutchings
2012-07-23T02:05:46Z

From: Pavel Vasilyev <pavel@pavlinux.ru>

commit 9f132652d94c96476b0b0a8caf0c10e96ab10fa8 upstream.

Current code is ignoring the last character of "enable" and "disable"
in comparisons.

https://bugzilla.kernel.org/show_bug.cgi?id=33732

Signed-off-by: Len Brown <len.brown@intel.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
drivers/acpi/sysfs.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c
index 9f66181..240a244 100644
--- a/drivers/acpi/sysfs.c
+++ b/drivers/acpi/sysfs.c
@@ -173,7 +173,7 @@ static int param_set_trace_state(const char *val, struct kernel_param *kp)
{
int result = 0;

- if (!strncmp(val, "enable", strlen("enable") - 1)) {
+ if (!strncmp(val, "enable", strlen("enable"))) {
result = acpi_debug_trace(trace_method_name, trace_debug_level,
trace_debug_layer, 0);
if (result)
@@ -181,7 +181,7 @@ static int param_set_trace_state(const char *val, struct kernel_param *kp)
goto exit;
}

- if (!strncmp(val, "disable", strlen("disable") - 1)) {
+ if (!strncmp(val, "disable", strlen("disable"))) {
int name = 0;
result = acpi_debug_trace((char *)&name, trace_debug_level,
trace_debug_layer, 0);