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 3.4-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-3.4 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 @@ -33,8 +33,7 @@ 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) @@ -61,8 +60,7 @@ 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-3.4/mac80211-don-t-check-netdev-state-for-debugfs-read-write.patch -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html