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openSUSE:Leap:15.2
qemu
qemu-cvs-ioctl_nodirection.patch
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File qemu-cvs-ioctl_nodirection.patch of Package qemu
From: Alexander Graf <agraf@suse.de> Date: Tue, 14 Apr 2009 16:27:36 +0200 Subject: 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> [BR: minor edits to pass qemu's checkpatch script] Signed-off-by: Bruce Rogers <brogers@suse.com> --- linux-user/syscall.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 49db231f031015265f6d8cead831..57be4c98555e50f2263811cd11f4 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -5192,6 +5192,13 @@ 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)) { @@ -5210,6 +5217,7 @@ 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);
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