staging: rtl8188eu: refactor rtw_is_cckratesonly_included()

Refactor rtw_is_cckratesonly_included() to improve readability and
slightly reduce object file size.

Signed-off-by: Michael Straube <straube.linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/rtl8188eu/core/rtw_ieee80211.c b/drivers/staging/rtl8188eu/core/rtw_ieee80211.c
index b695f47be07301d70db1d4f69699ed22a8d1c930..77eca07c92aac6544c5153e4d1c19fcaf09b5acb 100644 (file)
--- a/drivers/staging/rtl8188eu/core/rtw_ieee80211.c
+++ b/drivers/staging/rtl8188eu/core/rtw_ieee80211.c
@@ -87,13 +87,12 @@ uint rtw_is_cckrates_included(u8 *rate)
 
 uint rtw_is_cckratesonly_included(u8 *rate)
 {
-       u32 i = 0;
+       while (*rate) {
+               u8 r = *rate & 0x7f;
 
-       while (rate[i] != 0) {
-               if  ((((rate[i]) & 0x7f) != 2) && (((rate[i]) & 0x7f) != 4) &&
-                    (((rate[i]) & 0x7f) != 11)  && (((rate[i]) & 0x7f) != 22))
+               if (r != 2 && r != 4 && r != 11 && r != 22)
                        return false;
-               i++;
+               rate++;
        }
 
        return true;