| From: Pavel Vasilyev <pavel@pavlinux.ru> |
| Date: Tue, 5 Jun 2012 00:02:05 -0400 |
| Subject: ACPI sysfs.c strlen fix |
| |
| 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); |
