netdev - [PATCH net-next 13/15] mac802154: make mem alloc ATOMIC to prevent "scheduling while atomic" crashes

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Message-Id: <1350965397-12384-14-git-send-email-tony.cheneau@amnesiak.org>
Date:	Tue, 23 Oct 2012 00:09:55 -0400
From:	Tony Cheneau <tony.cheneau@...esiak.org>
To:	"David S. Miller" <davem@...emloft.net>
Cc:	netdev@...r.kernel.org, linux-zigbee-devel@...ts.sourceforge.net,
	Alan Ott <alan@...nal11.us>,
	Alexander Smirnov <alex.bluesman.smirnov@...il.com>
Subject: [PATCH net-next 13/15] mac802154: make mem alloc ATOMIC to prevent "scheduling while atomic" crashes

These crashes occur mainly with the serial driver (not yet in the tree).

Signed-off-by: Tony Cheneau <tony.cheneau@...esiak.org>
---
 net/mac802154/wpan.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/net/mac802154/wpan.c b/net/mac802154/wpan.c
index d6aea7f..49ba8df 100644
--- a/net/mac802154/wpan.c
+++ b/net/mac802154/wpan.c
@@ -143,7 +143,7 @@ static int mac802154_header_create(struct sk_buff *skb,
 	if (!daddr)
 		return -EINVAL;
 
-	head = kzalloc(MAC802154_FRAME_HARD_HEADER_LEN, GFP_KERNEL);
+	head = kzalloc(MAC802154_FRAME_HARD_HEADER_LEN, GFP_ATOMIC);
 	if (head == NULL)
 		return -ENOMEM;
 
-- 
1.7.8.6

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