From: Anoob Soman <anoob.soman@citrix.com>
Date: Thu, 2 Mar 2017 10:50:20 +0000 (+0000)
Subject: xen-netback: Use GFP_ATOMIC to allocate hash
X-Git-Tag: v4.13~1159^2~10
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=9f674e48c13dcbc31ac903433727837795b81efe;p=mirror_ubuntu-bionic-kernel.git

xen-netback: Use GFP_ATOMIC to allocate hash

Allocation of new_hash, inside xenvif_new_hash(), always happen
in softirq context, so use GFP_ATOMIC instead of GFP_KERNEL for new
hash allocation.

Signed-off-by: Anoob Soman <anoob.soman@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/xen-netback/hash.c b/drivers/net/xen-netback/hash.c
index e8c5dddc54ba..3c4c58b9fe76 100644
--- a/drivers/net/xen-netback/hash.c
+++ b/drivers/net/xen-netback/hash.c
@@ -39,7 +39,7 @@ static void xenvif_add_hash(struct xenvif *vif, const u8 *tag,
 	unsigned long flags;
 	bool found;
 
-	new = kmalloc(sizeof(*entry), GFP_KERNEL);
+	new = kmalloc(sizeof(*entry), GFP_ATOMIC);
 	if (!new)
 		return;