[PATCH 3/4] staging: r8188eu: refactor rtw_is_cckratesonly_included()

[Michael Straube <straube.linux@gmail.com>]

Refactor function rtw_is_cckratesonly_included(). Improves readability
and slightly reduces object file size.

Signed-off-by: Michael Straube <straube.linux@gmail.com>
---
 drivers/staging/r8188eu/core/rtw_ieee80211.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/r8188eu/core/rtw_ieee80211.c b/drivers/staging/r8188eu/core/rtw_ieee80211.c
index c8627ad83006..200c90b8ea51 100644
--- a/drivers/staging/r8188eu/core/rtw_ieee80211.c
+++ b/drivers/staging/r8188eu/core/rtw_ieee80211.c
@@ -82,15 +82,13 @@ bool 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;
 }
 
-- 
2.32.0