43 lines
1.6 KiB
Diff
43 lines
1.6 KiB
Diff
From d03d586aabc9000cabc56de7e327c5b5640f3179 Mon Sep 17 00:00:00 2001
|
|
From: Ulrich Hecht <uli@suse.de>
|
|
Date: Tue, 14 Apr 2009 16:27:36 +0200
|
|
Subject: [PATCH 08/17] qemu-cvs-ioctl_nodirection
|
|
|
|
the direction given in the ioctl should be correct so we can assume the
|
|
communication is uni-directional. The alsa developers did not like this
|
|
concept though and declared ioctls IOC_R and IOC_W even though they were
|
|
IOC_RW.
|
|
|
|
Signed-off-by: Ulrich Hecht <uli@suse.de>
|
|
---
|
|
linux-user/syscall.c | 6 ++++++
|
|
1 files changed, 6 insertions(+), 0 deletions(-)
|
|
|
|
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
|
|
index 04f77ef..b51634b 100644
|
|
--- a/linux-user/syscall.c
|
|
+++ b/linux-user/syscall.c
|
|
@@ -3134,6 +3134,11 @@ static abi_long do_ioctl(int fd, abi_long cmd, abi_long arg)
|
|
arg_type++;
|
|
target_size = thunk_type_size(arg_type, 0);
|
|
switch(ie->access) {
|
|
+ /* FIXME: actually the direction given in the ioctl should be
|
|
+ * correct so we can assume the communication is uni-directional.
|
|
+ * The alsa developers did not like this concept though and
|
|
+ * declared ioctls IOC_R and IOC_W even though they were IOC_RW.*/
|
|
+/*
|
|
case IOC_R:
|
|
ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
|
|
if (!is_error(ret)) {
|
|
@@ -3152,6 +3157,7 @@ static abi_long do_ioctl(int fd, abi_long cmd, abi_long arg)
|
|
unlock_user(argptr, arg, 0);
|
|
ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
|
|
break;
|
|
+*/
|
|
default:
|
|
case IOC_RW:
|
|
argptr = lock_user(VERIFY_READ, arg, target_size, 1);
|
|
--
|
|
1.7.1
|
|
|