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qemu/0018-linux-user-Ignore-broken-loop-ioctl.patch
Andreas Färber 04929fcdcd Accepting request 221154 from home:a_faerber:branches:Virtualization
Add xen_disk discard support (olh), backport VMDK SCSI change from v1.6.2 maintenance update and update syscall numbers

OBS-URL: https://build.opensuse.org/request/show/221154
OBS-URL: https://build.opensuse.org/package/show/Virtualization/qemu?expand=0&rev=179
2014-02-06 16:09:22 +00:00

73 lines
2.5 KiB
Diff

From a7f0cbeed23b5ff6c4a3334e36f165ec8db7d9d3 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Tue, 12 Jun 2012 04:41:10 +0200
Subject: [PATCH] linux-user: Ignore broken loop ioctl
During invocations of losetup, we run into an ioctl that doesn't
exist. However, because of that we output an error, which then
screws up the kiwi logic around that call.
So let's silently ignore that bogus ioctl.
Signed-off-by: Alexander Graf <agraf@suse.de>
---
linux-user/ioctls.h | 1 +
linux-user/linux_loop.h | 1 +
linux-user/syscall.c | 7 +++++++
linux-user/syscall_defs.h | 1 +
4 files changed, 10 insertions(+)
diff --git a/linux-user/ioctls.h b/linux-user/ioctls.h
index 1c9d67f..b743309 100644
--- a/linux-user/ioctls.h
+++ b/linux-user/ioctls.h
@@ -327,6 +327,7 @@
IOCTL(LOOP_SET_STATUS64, IOC_W, MK_PTR(MK_STRUCT(STRUCT_loop_info64)))
IOCTL(LOOP_GET_STATUS64, IOC_W, MK_PTR(MK_STRUCT(STRUCT_loop_info64)))
IOCTL(LOOP_CHANGE_FD, 0, TYPE_INT)
+ IOCTL_SPECIAL(LOOP_BOGUS_CMD, 0, do_ioctl_fail, TYPE_INT)
IOCTL(MTIOCTOP, IOC_W, MK_PTR(MK_STRUCT(STRUCT_mtop)))
IOCTL(MTIOCGET, IOC_R, MK_PTR(MK_STRUCT(STRUCT_mtget)))
diff --git a/linux-user/linux_loop.h b/linux-user/linux_loop.h
index 8974caa..810ae61 100644
--- a/linux-user/linux_loop.h
+++ b/linux-user/linux_loop.h
@@ -91,5 +91,6 @@ struct loop_info64 {
#define LOOP_SET_STATUS64 0x4C04
#define LOOP_GET_STATUS64 0x4C05
#define LOOP_CHANGE_FD 0x4C06
+#define LOOP_BOGUS_CMD 0x4C82
#endif
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index d5b3d02..5113d22 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -3732,6 +3732,13 @@ static abi_long do_ioctl_rt(const IOCTLEntry *ie, uint8_t *buf_temp,
return ret;
}
+static abi_long do_ioctl_fail(const IOCTLEntry *ie, uint8_t *buf_temp, int fd,
+ abi_long cmd, abi_long arg)
+{
+ /* Fail silently */
+ return -EINVAL;
+}
+
static IOCTLEntry ioctl_entries[] = {
#define IOCTL(cmd, access, ...) \
{ TARGET_ ## cmd, cmd, #cmd, access, 0, { __VA_ARGS__ } },
diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h
index 57ac1ce..763fb30 100644
--- a/linux-user/syscall_defs.h
+++ b/linux-user/syscall_defs.h
@@ -1032,6 +1032,7 @@ struct target_pollfd {
#define TARGET_LOOP_SET_STATUS64 0x4C04
#define TARGET_LOOP_GET_STATUS64 0x4C05
#define TARGET_LOOP_CHANGE_FD 0x4C06
+#define TARGET_LOOP_BOGUS_CMD 0x4C82
/* fb ioctls */
#define TARGET_FBIOGET_VSCREENINFO 0x4600