mac80211: Update to version 4.19.98

[librecmc/librecmc.git] / package / kernel / mac80211 / patches / subsys / 370-cfg80211-fix-page-refcount-issue-in-A-MSDU-decap.patch

diff --git a/package/kernel/mac80211/patches/subsys/370-cfg80211-fix-page-refcount-issue-in-A-MSDU-decap.patch b/package/kernel/mac80211/patches/subsys/370-cfg80211-fix-page-refcount-issue-in-A-MSDU-decap.patch
deleted file mode 100644 (file)
index 9dba580..0000000
--- a/package/kernel/mac80211/patches/subsys/370-cfg80211-fix-page-refcount-issue-in-A-MSDU-decap.patch
+++ /dev/null
@@ -1,25 +0,0 @@
-From: Felix Fietkau <nbd@nbd.name>
-Date: Mon, 13 Jan 2020 18:34:31 +0100
-Subject: [PATCH] cfg80211: fix page refcount issue in A-MSDU decap
-
-The fragments attached to a skb can be part of a compound page. In that case,
-page_ref_inc will increment the refcount for the wrong page. Fix this by
-using get_page instead, which calls page_ref_inc on the compound head and
-also checks for overflow.
-
-Fixes: 2b67f944f88c ("cfg80211: reuse existing page fragments in A-MSDU rx")
-Cc: stable@vger.kernel.org
-Signed-off-by: Felix Fietkau <nbd@nbd.name>
----
-
---- a/net/wireless/util.c
-+++ b/net/wireless/util.c
-@@ -537,7 +537,7 @@ __frame_add_frag(struct sk_buff *skb, st
-       struct skb_shared_info *sh = skb_shinfo(skb);
-       int page_offset;
- 
--      page_ref_inc(page);
-+      get_page(page);
-       page_offset = ptr - page_address(page);
-       skb_add_rx_frag(skb, sh->nr_frags, page, page_offset, len, size);
- }