ACPI: replace strlen("string") with sizeof("string") -1

...both give the number of chars in the string
without the '\0', as strncmp() wants,
but sizeof() is compile-time.

Reported-by: Alan Stern <stern@rowland.harvard.edu>
Cc: Pavel Vasilyev <pavel@pavlinux.ru>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Len Brown 2012-07-26 21:32:01 -04:00
parent a5ca7345c1
commit 869639f9e7

View File

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