From: aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162>
Date: Fri, 30 Jan 2009 19:47:47 +0000 (+0000)
Subject: linux-user: fix accept(2) with NULL peer
X-Git-Tag: xen-3.4.0-rc2~69^2~41
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=8fea36025b9d6d360ff3b78f88a84ccf221807e8;p=qemu-xen-3.4-testing.git

linux-user: fix accept(2) with NULL peer

Based on scratchbox2 patch by Mika Westerberg

Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6478 c046a42c-6fe2-441c-8c8c-71466251a162
---

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 5d787bb7..dce5cad5 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -1267,6 +1267,9 @@ static abi_long do_getsockname(int fd, abi_ulong target_addr,
     void *addr;
     abi_long ret;
 
+    if (target_addr == 0)
+       return get_errno(accept(fd, NULL, NULL));
+
     if (get_user_u32(addrlen, target_addrlen_addr))
         return -TARGET_EFAULT;