From: Johannes Berg <johannes.berg@intel.com>
Date: Fri, 7 Oct 2011 12:55:39 +0000 (+0200)
Subject: mac80211: dont adjust truesize
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=72267e5cfefb2b54b6a16e5775da01e26ede2953;p=mv-sheeva.git

mac80211: dont adjust truesize

There's no need to adjust truesize.

The history of this was that we always ran into
skb_truesize_bug (via skb_truesize_check) which
has since been removed in commit 92a0acce186cd.
skb_truesize_check() checked that truesize  was
bigger or equal to the actual allocation, which
would trigger in mac80211 due to header adding.
The check no longer exists and we shouldn't be
messing with the truesize anwyay.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 3d2b6b2749f..6792f52ee88 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1402,9 +1402,6 @@ static int ieee80211_skb_resize(struct ieee80211_sub_if_data *sdata,
 		return -ENOMEM;
 	}
 
-	/* update truesize too */
-	skb->truesize += head_need + tail_need;
-
 	return 0;
 }