qemu/0048-linux-user-fix-BLK-ioctl-arguments.patch

37 lines
1.7 KiB
Diff

From 8563ceced36263dbc91af9d6941e18626bd9f488 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Tue, 31 Jan 2012 20:10:20 +0100
Subject: [PATCH] linux-user: fix BLK ioctl arguments
Some BLK ioctls passed sizeof(x) into a macro that already did sizeof() on
the passed in argument, rendering the size information inside the ioctl be
the size of the host default integer type.
Signed-off-by: Alexander Graf <agraf@suse.de>
---
linux-user/syscall_defs.h | 8 +++++---
1 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h
index c8b57c9..21b054c 100644
--- a/linux-user/syscall_defs.h
+++ b/linux-user/syscall_defs.h
@@ -832,9 +832,11 @@ struct target_pollfd {
#define TARGET_BLKSECTGET TARGET_IO(0x12,103)/* get max sectors per request (ll_rw_blk.c) */
#define TARGET_BLKSSZGET TARGET_IO(0x12,104)/* get block device sector size */
/* A jump here: 108-111 have been used for various private purposes. */
-#define TARGET_BLKBSZGET TARGET_IOR(0x12,112,sizeof(int))
-#define TARGET_BLKBSZSET TARGET_IOW(0x12,113,sizeof(int))
-#define TARGET_BLKGETSIZE64 TARGET_IOR(0x12,114,sizeof(uint64_t)) /* return device size in bytes (u64 *arg) */
+#define TARGET_BLKBSZGET TARGET_IOR(0x12,112,int)
+#define TARGET_BLKBSZSET TARGET_IOW(0x12,113,int)
+#define TARGET_BLKGETSIZE64 TARGET_IOR(0x12,114,abi_ulong)
+ /* return device size in bytes
+ (u64 *arg) */
#define TARGET_FIBMAP TARGET_IO(0x00,1) /* bmap access */
#define TARGET_FIGETBSZ TARGET_IO(0x00,2) /* get the block size used for bmap */
#define TARGET_FS_IOC_FIEMAP TARGET_IOWR('f',11,struct fiemap)
--
1.6.0.2