8c721a87ae
- Remove deprecated patch "work-around-SA_RESTART-race" (boo#982208) - Patch queue updated from git://github.com/openSUSE/qemu.git opensuse-2.6 * Patches dropped: 0002-XXX-work-around-SA_RESTART-race-wit.patch 0003-qemu-0.9.0.cvs-binfmt.patch 0004-qemu-cvs-alsa_bitfield.patch 0005-qemu-cvs-alsa_ioctl.patch 0006-qemu-cvs-alsa_mmap.patch 0007-qemu-cvs-gettimeofday.patch 0008-qemu-cvs-ioctl_debug.patch 0009-qemu-cvs-ioctl_nodirection.patch 0010-block-vmdk-Support-creation-of-SCSI.patch 0011-linux-user-add-binfmt-wrapper-for-a.patch 0012-PPC-KVM-Disable-mmu-notifier-check.patch 0013-linux-user-fix-segfault-deadlock.patch 0014-linux-user-binfmt-support-host-bina.patch 0015-linux-user-Ignore-broken-loop-ioctl.patch 0016-linux-user-lock-tcg.patch 0017-linux-user-Run-multi-threaded-code-.patch 0018-linux-user-lock-tb-flushing-too.patch 0019-linux-user-Fake-proc-cpuinfo.patch 0020-linux-user-implement-FS_IOC_GETFLAG.patch 0021-linux-user-implement-FS_IOC_SETFLAG.patch 0022-linux-user-XXX-disable-fiemap.patch 0023-slirp-nooutgoing.patch 0024-vnc-password-file-and-incoming-conn.patch 0025-linux-user-add-more-blk-ioctls.patch 0026-linux-user-use-target_ulong.patch 0027-block-Add-support-for-DictZip-enabl.patch 0028-block-Add-tar-container-format.patch OBS-URL: https://build.opensuse.org/request/show/408549 OBS-URL: https://build.opensuse.org/package/show/Virtualization/qemu?expand=0&rev=305
39 lines
1.4 KiB
Diff
39 lines
1.4 KiB
Diff
From 1e5020a27bf52c24abb9272f9ba605959e8771e8 Mon Sep 17 00:00:00 2001
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From: Alexander Graf <agraf@suse.de>
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Date: Thu, 13 Dec 2012 14:29:22 +0100
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Subject: [PATCH] linux-user: lseek: explicitly cast non-set offsets to signed
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When doing lseek, SEEK_SET indicates that the offset is an unsigned variable.
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Other seek types have parameters that can be negative.
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When converting from 32bit to 64bit parameters, we need to take this into
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account and enable SEEK_END and SEEK_CUR to be negative, while SEEK_SET stays
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absolute positioned which we need to maintain as unsigned.
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Signed-off-by: Alexander Graf <agraf@suse.de>
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---
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linux-user/syscall.c | 9 +++++++--
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1 file changed, 7 insertions(+), 2 deletions(-)
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diff --git a/linux-user/syscall.c b/linux-user/syscall.c
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index ebeab57..c084f38 100644
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--- a/linux-user/syscall.c
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+++ b/linux-user/syscall.c
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@@ -6233,9 +6233,14 @@ abi_long do_syscall(void *cpu_env, int num, abi_ulong arg1,
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case TARGET_NR_oldstat:
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goto unimplemented;
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#endif
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- case TARGET_NR_lseek:
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- ret = get_errno(lseek(arg1, arg2, arg3));
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+ case TARGET_NR_lseek: {
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+ off_t off = arg2;
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+ if (arg3 != SEEK_SET) {
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+ off = (abi_long)arg2;
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+ }
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+ ret = get_errno(lseek(arg1, off, arg3));
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break;
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+ }
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#if defined(TARGET_NR_getxpid) && defined(TARGET_ALPHA)
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/* Alpha specific */
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case TARGET_NR_getxpid:
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