USB: cxacru: return an empty value for modulation if there is no connection
When there is no connection, return an empty string
instead of "0" for the connection modulation.
Signed-off-by: Simon Arlott <simon@fire.lp0.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/atm/cxacru.c b/drivers/usb/atm/cxacru.c
index 56802d2..4a26a6c 100644
--- a/drivers/usb/atm/cxacru.c
+++ b/drivers/usb/atm/cxacru.c
@@ -267,12 +267,12 @@
static ssize_t cxacru_sysfs_showattr_MODU(u32 value, char *buf)
{
static char *str[] = {
- NULL,
+ "",
"ANSI T1.413",
"ITU-T G.992.1 (G.DMT)",
"ITU-T G.992.2 (G.LITE)"
};
- if (unlikely(value >= ARRAY_SIZE(str) || str[value] == NULL))
+ if (unlikely(value >= ARRAY_SIZE(str)))
return snprintf(buf, PAGE_SIZE, "%u\n", value);
return snprintf(buf, PAGE_SIZE, "%s\n", str[value]);
}