From 4aac2caff30fdef1db8403af81e79807811d22ea Mon Sep 17 00:00:00 2001
From: Wei Yongjun <weiyongjun1@huawei.com>
Date: Thu, 28 Dec 2017 03:46:48 +0000
Subject: [PATCH] xen/pvcalls: use GFP_ATOMIC under spin lock
A spin lock is taken here so we should use GFP_ATOMIC.
Fixes: 9774c6cca266 ("xen/pvcalls: implement accept command")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
---
drivers/xen/pvcalls-front.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/xen/pvcalls-front.c b/drivers/xen/pvcalls-front.c
index d1e1d8d2b9d5..4c789e61554b 100644
--- a/drivers/xen/pvcalls-front.c
+++ b/drivers/xen/pvcalls-front.c
@@ -805,7 +805,7 @@ int pvcalls_front_accept(struct socket *sock, struct socket *newsock, int flags)
pvcalls_exit();
return ret;
}
- map2 = kzalloc(sizeof(*map2), GFP_KERNEL);
+ map2 = kzalloc(sizeof(*map2), GFP_ATOMIC);
if (map2 == NULL) {
clear_bit(PVCALLS_FLAG_ACCEPT_INFLIGHT,
(void *)&map->passive.flags);
--
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