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path: root/package/kernel/mac80211/patches/652-0057-rtl8xxxu-Fix-off-by-one-error-calculating-pubq.patch
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From c563d5e11eb6d90d6375b0ab7bce0ff1fdc53d1b Mon Sep 17 00:00:00 2001
From: Jes Sorensen <Jes.Sorensen@redhat.com>
Date: Tue, 30 Aug 2016 13:49:04 -0400
Subject: [PATCH] rtl8xxxu: Fix off by one error calculating pubq

This was detected tracing the 8188eu driver, but doesn't seem to make
any difference when using it.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
---
 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
@@ -3882,7 +3882,7 @@ static void rtl8xxxu_init_queue_reserved
 	val32 = (nq << RQPN_NPQ_SHIFT) | (eq << RQPN_EPQ_SHIFT);
 	rtl8xxxu_write32(priv, REG_RQPN_NPQ, val32);
 
-	pubq = fops->total_page_num - hq - lq - nq;
+	pubq = fops->total_page_num - hq - lq - nq - 1;
 
 	val32 = RQPN_LOAD;
 	val32 |= (hq << RQPN_HI_PQ_SHIFT);