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

Suggested-by: Joe Perches <j...@perches.com>
Signed-off-by: Michael Straube <straube.li...@gmail.com>
---
 drivers/staging/rtl8723bs/core/rtw_ieee80211.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/rtl8723bs/core/rtw_ieee80211.c 
b/drivers/staging/rtl8723bs/core/rtw_ieee80211.c
index 3f1c7bb0eb9f..3adb58759d5f 100644
--- a/drivers/staging/rtl8723bs/core/rtw_ieee80211.c
+++ b/drivers/staging/rtl8723bs/core/rtw_ieee80211.c
@@ -68,13 +68,12 @@ int rtw_get_bit_value_from_ieee_value(u8 val)
 
 uint rtw_is_cckrates_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 true;
-               i++;
+               rate++;
        }
 
        return false;
-- 
2.18.0

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