diff mbox

Subject: [PATCH] net/ipv6: Use GFP_ATOMIC when a lock is held

Message ID Pine.LNX.4.64.1005302147310.19253@ask.diku.dk
State Changes Requested, archived
Delegated to: David Miller
Headers show

Commit Message

Julia Lawall May 30, 2010, 7:48 p.m. UTC 
From: Julia Lawall <julia@diku.dk>

A spin lock is taken near the beginning of the enclosing function.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
@@

spin_lock(...)
... when != spin_unlock(...)
-GFP_KERNEL
+GFP_ATOMIC
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>

---
 net/ipv6/sit.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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diff mbox

Patch

diff -u -p a/net/ipv6/sit.c b/net/ipv6/sit.c
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -358,7 +358,7 @@  ipip6_tunnel_add_prl(struct ip_tunnel *t
 		goto out;
 	}
 
-	p = kzalloc(sizeof(struct ip_tunnel_prl_entry), GFP_KERNEL);
+	p = kzalloc(sizeof(struct ip_tunnel_prl_entry), GFP_ATOMIC);
 	if (!p) {
 		err = -ENOBUFS;
 		goto out;