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[Qemu-devel] Re: [PATCH 09/18] block/qcow2.c: fix warnings with _FORTIFY
From: |
Andreas Schwab |
Subject: |
[Qemu-devel] Re: [PATCH 09/18] block/qcow2.c: fix warnings with _FORTIFY_SOURCE |
Date: |
Sun, 20 Dec 2009 10:08:35 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/23.1.90 (gnu/linux) |
"Kirill A. Shutemov" <address@hidden> writes:
> lseek(fd, s->refcount_block_offset, SEEK_SET);
> - write(fd, s->refcount_block, ref_clusters * s->cluster_size);
> + ret = write(fd, s->refcount_block, ref_clusters * s->cluster_size);
> + if (ret != s->cluster_size) {
> + ret = -errno;
> + goto exit;
> + }
If you have a short write you'll get an undefined errno.
Andreas.
--
Andreas Schwab, address@hidden
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
- [Qemu-devel] [PATCH 15/18] monitor.c: fix warnings with _FORTIFY_SOURCE, (continued)
- [Qemu-devel] [PATCH 15/18] monitor.c: fix warnings with _FORTIFY_SOURCE, Kirill A. Shutemov, 2009/12/19
- [Qemu-devel] [PATCH 16/18] hw/pc.c: fix warnings with _FORTIFY_SOURCE, Kirill A. Shutemov, 2009/12/19
- [Qemu-devel] [PATCH 17/18] path.c fix warning with _FORTIFY_SOURCE, Kirill A. Shutemov, 2009/12/19
- [Qemu-devel] [PATCH 18/18] linux-user/mmap.c: fix warnings with _FORTIFY_SOURCE, Kirill A. Shutemov, 2009/12/19
- Re: [Qemu-devel] [PATCH 17/18] path.c fix warning with _FORTIFY_SOURCE, Blue Swirl, 2009/12/22
- Re: [Qemu-devel] [PATCH 16/18] hw/pc.c: fix warnings with _FORTIFY_SOURCE, Blue Swirl, 2009/12/22
- Re: [Qemu-devel] [PATCH 14/18] vl.c: fix warning with _FORTIFY_SOURCE, Blue Swirl, 2009/12/22
- Re: [Qemu-devel] [PATCH 12/18] savevm.c: fix warning with _FORTIFY_SOURCE, Blue Swirl, 2009/12/22
- Re: [Qemu-devel] [PATCH 11/18] usb-linux.c: fix warning with _FORTIFY_SOURCE, Blue Swirl, 2009/12/22
- Re: [Qemu-devel] [PATCH 10/18] net/slirp.c: fix warning with _FORTIFY_SOURCE, Blue Swirl, 2009/12/22
- [Qemu-devel] Re: [PATCH 09/18] block/qcow2.c: fix warnings with _FORTIFY_SOURCE,
Andreas Schwab <=
- Re: [Qemu-devel] [PATCH 08/18] block/vvfat.c: fix warnings with _FORTIFY_SOURCE, Kevin Wolf, 2009/12/20
- Re: [Qemu-devel] [PATCH 07/18] block/bochs.c: fix warning with _FORTIFY_SOURCE, Blue Swirl, 2009/12/22
- Re: [Qemu-devel] [PATCH 03/18] posix-aio-compat.c: fix warning with _FORTIFY_SOURCE, Paul Brook, 2009/12/20
Re: [Qemu-devel] [PATCH 02/18] block.c: fix warning with _FORTIFY_SOURCE, Blue Swirl, 2009/12/22
Re: [Qemu-devel] [PATCH 01/18] Do not disable _FORTIFY_SOURCE, Blue Swirl, 2009/12/20