This is a note to let you know that I've just added the patch titled
mac80211: don't check netdev state for debugfs read/write
to the 3.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
mac80211-don-t-check-netdev-state-for-debugfs-read-write.patch
and it can be found in the queue-3.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 923eaf367206e01f22c97aee22300e332d071916 Mon Sep 17 00:00:00 2001
From: Arik Nemtsov <arik@xxxxxxxxxx>
Date: Mon, 26 May 2014 14:40:51 +0300
Subject: mac80211: don't check netdev state for debugfs read/write
From: Arik Nemtsov <arik@xxxxxxxxxx>
commit 923eaf367206e01f22c97aee22300e332d071916 upstream.
Doing so will lead to an oops for a p2p-dev interface, since it has
no netdev.
Signed-off-by: Arik Nemtsov <arikx.nemtsov@xxxxxxxxx>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/mac80211/debugfs_netdev.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
--- a/net/mac80211/debugfs_netdev.c
+++ b/net/mac80211/debugfs_netdev.c
@@ -34,8 +34,7 @@ static ssize_t ieee80211_if_read(
ssize_t ret = -EINVAL;
read_lock(&dev_base_lock);
- if (sdata->dev->reg_state == NETREG_REGISTERED)
- ret = (*format)(sdata, buf, sizeof(buf));
+ ret = (*format)(sdata, buf, sizeof(buf));
read_unlock(&dev_base_lock);
if (ret >= 0)
@@ -62,8 +61,7 @@ static ssize_t ieee80211_if_write(
ret = -ENODEV;
rtnl_lock();
- if (sdata->dev->reg_state == NETREG_REGISTERED)
- ret = (*write)(sdata, buf, count);
+ ret = (*write)(sdata, buf, count);
rtnl_unlock();
return ret;
Patches currently in stable-queue which might be from arik@xxxxxxxxxx are
queue-3.15/mac80211-don-t-check-netdev-state-for-debugfs-read-write.patch
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