Attachment 26667 Details for Bug 63427

[patch] BK changeset for 2.6 kernels

serialize-dgram-read.diff (text/plain), 1.03 KB, created by Andreas Gruenbacher on 2004-12-02 01:53:06 UTC

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Creator: Andreas Gruenbacher

Created: 2004-12-02 01:53:06 UTC

Size: 1.03 KB

patch

obsolete

>From: David S. Miller <davem@davemloft.net>
>Subject: Serialize dgram read using semaphore just like stream.
>Patch-mainline: 2.6.10
>Suse-bugzilla: 48427
>
># This is a BitKeeper generated diff -Nru style patch.
>#
># ChangeSet
>#   2004/11/15 14:04:37-08:00 davem@nuts.davemloft.net 
>#   [AF_UNIX]: Serialize dgram read using semaphore just like stream.
>#   
>#   Signed-off-by: David S. Miller <davem@davemloft.net>
># 
># net/unix/af_unix.c
>#   2004/11/15 14:03:52-08:00 davem@nuts.davemloft.net +5 -1
>#   [AF_UNIX]: Serialize dgram read using semaphore just like stream.
># 
>diff -Nru a/net/unix/af_unix.c b/net/unix/af_unix.c
>--- a/net/unix/af_unix.c	2004-12-01 08:59:30 -08:00
>+++ b/net/unix/af_unix.c	2004-12-01 08:59:30 -08:00
>@@ -1535,9 +1535,11 @@
> 
> 	msg->msg_namelen = 0;
> 
>+	down(&u->readsem);
>+
> 	skb = skb_recv_datagram(sk, flags, noblock, &err);
> 	if (!skb)
>-		goto out;
>+		goto out_unlock;
> 
> 	wake_up_interruptible(&u->peer_wait);
> 
>@@ -1587,6 +1589,8 @@
> 
> out_free:
> 	skb_free_datagram(sk,skb);
>+out_unlock:
>+	up(&u->readsem);
> out:
> 	return err;
> }

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Attachments on bug 63427: 26455 | 26457 | 26667