On Sunday 21 June 2009, Johannes Berg wrote:
> --- wireless-testing.orig/net/compat.c 2009-06-19 17:50:30.000000000 +0200
> +++ wireless-testing/net/compat.c 2009-06-19 17:53:13.000000000 +0200
> @@ -782,16 +782,18 @@ asmlinkage long compat_sys_socketcall(in
> ret = sys_socketpair(a0, a1, a[2], compat_ptr(a[3]));
> break;
> case SYS_SEND:
> - ret = sys_send(a0, compat_ptr(a1), a[2], a[3]);
> + ret = sys_send(a0, compat_ptr(a1), a[2], a[3] | MSG_CMSG_COMPAT);
> break;
> case SYS_SENDTO:
> - ret = sys_sendto(a0, compat_ptr(a1), a[2], a[3], compat_ptr(a[4]), a[5]);
> + ret = sys_sendto(a0, compat_ptr(a1), a[2], a[3] | MSG_CMSG_COMPAT,
> + compat_ptr(a[4]), a[5]);
> break;
> case SYS_RECV:
> - ret = sys_recv(a0, compat_ptr(a1), a[2], a[3]);
> + ret = sys_recv(a0, compat_ptr(a1), a[2], a[3] | MSG_CMSG_COMPAT);
> break;
> case SYS_RECVFROM:
> - ret = sys_recvfrom(a0, compat_ptr(a1), a[2], a[3], compat_ptr(a[4]), compat_ptr(a[5]));
> + ret = sys_recvfrom(a0, compat_ptr(a1), a[2], a[3] | MSG_CMSG_COMPAT,
> + compat_ptr(a[4]), compat_ptr(a[5]));
> break;
> case SYS_SHUTDOWN:
> ret = sys_shutdown(a0,a1);
I suppose if you do this, you also need to introduce a
compat_sys_{send,sendto,recv,recvfrom} entry point
for architectures that do not go through sys_socket but
call sys_{send,sendto,recv,recvfrom} directly. I think
this is only sparc and mips.
Arnd <><
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