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| author | Alexander Graf <agraf@suse.de> | 2009-04-14 16:27:36 +0200 |
|---|---|---|
| committer | hyokeun <hyokeun.jeon@samsung.com> | 2016-09-06 15:55:31 +0900 |
| commit | 5248e7a8a6e58a4cd1f451210a557bfe48da0695 (patch) | |
| tree | c76343dbeb1cb0d28182c164e8c10a321e5d6afc | |
| parent | facf087026c29069504037b8aa6c591e5f890c54 (diff) | |
| download | qemu-5248e7a8a6e58a4cd1f451210a557bfe48da0695.tar.gz qemu-5248e7a8a6e58a4cd1f451210a557bfe48da0695.tar.bz2 qemu-5248e7a8a6e58a4cd1f451210a557bfe48da0695.zip | |
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: Alexander Graf <agraf@suse.de>
Signed-off-by: Ulrich Hecht <uli@suse.de>
| -rw-r--r-- | 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 1b3ed97a0..8e69c151f 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -5367,6 +5367,11 @@ static abi_long do_ioctl(int fd, int 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(safe_ioctl(fd, ie->host_cmd, buf_temp)); if (!is_error(ret)) { @@ -5385,6 +5390,7 @@ static abi_long do_ioctl(int fd, int cmd, abi_long arg) unlock_user(argptr, arg, 0); ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); break; +*/ default: case IOC_RW: argptr = lock_user(VERIFY_READ, arg, target_size, 1); |