diff options
| -rw-r--r-- | drivers/staging/ks7010/ks_hostif.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/staging/ks7010/ks_hostif.c b/drivers/staging/ks7010/ks_hostif.c index 359187e1009b..7a511231225f 100644 --- a/drivers/staging/ks7010/ks_hostif.c +++ b/drivers/staging/ks7010/ks_hostif.c @@ -6,6 +6,7 @@ * Copyright (C) 2009 Renesas Technology Corp. */ +#include <linux/circ_buf.h> #include <linux/if_arp.h> #include <net/iw_handler.h> #include <uapi/linux/llc.h> @@ -26,9 +27,8 @@ static inline void inc_smeqtail(struct ks_wlan_private *priv) static inline unsigned int cnt_smeqbody(struct ks_wlan_private *priv) { - unsigned int sme_cnt = priv->sme_i.qtail - priv->sme_i.qhead; - - return (sme_cnt + SME_EVENT_BUFF_SIZE) % SME_EVENT_BUFF_SIZE; + return CIRC_CNT_TO_END(priv->sme_i.qhead, priv->sme_i.qtail, + SME_EVENT_BUFF_SIZE); } static inline u8 get_byte(struct ks_wlan_private *priv) |
