1 files changed, 1 insertions, 1 deletions

diff --git a/net/mac80211/rc80211_pid_algo.c b/net/mac80211/rc80211_pid_algo.c
index 699d3ed869c..29bc4c51623 100644
--- a/net/mac80211/rc80211_pid_algo.c
+++ b/net/mac80211/rc80211_pid_algo.c
@@ -190,7 +190,7 @@ static void rate_control_pid_sample(struct rc_pid_info *pinfo,
         rate_control_pid_normalize(pinfo, sband->n_bitrates);
 
         /* Compute the proportional, integral and derivative errors. */
-        err_prop = (pinfo->target << RC_PID_ARITH_SHIFT) - pf;
+        err_prop = (pinfo->target - pf) << RC_PID_ARITH_SHIFT;
 
         err_avg = spinfo->err_avg_sc >> pinfo->smoothing_shift;
         spinfo->err_avg_sc = spinfo->err_avg_sc - err_avg + err_prop;