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[Qemu-devel] [PATCH 15/15] linux-user: fix return value of mmap_frag()
From: |
Kirill A. Shutemov |
Subject: |
[Qemu-devel] [PATCH 15/15] linux-user: fix return value of mmap_frag() |
Date: |
Sat, 2 Jan 2010 05:45:33 +0200 |
mmap_frag() returns -1 on error and set errno.
Signed-off-by: Kirill A. Shutemov <address@hidden>
---
linux-user/mmap.c | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/linux-user/mmap.c b/linux-user/mmap.c
index c1c7e48..47bc339 100644
--- a/linux-user/mmap.c
+++ b/linux-user/mmap.c
@@ -242,8 +242,10 @@ static int mmap_frag(abi_ulong real_start,
/* msync() won't work here, so we return an error if write is
possible while it is a shared mapping */
if ((flags & MAP_TYPE) == MAP_SHARED &&
- (prot & PROT_WRITE))
- return -EINVAL;
+ (prot & PROT_WRITE)) {
+ errno = -EINVAL;
+ return -1;
+ }
/* adjust protection to be able to read */
if (!(prot1 & PROT_WRITE))
--
1.6.5.7
- [Qemu-devel] [PATCH 05/15] block/vmdk.o: fix warnings with _FORTIFY_SOURCE, (continued)
- [Qemu-devel] [PATCH 05/15] block/vmdk.o: fix warnings with _FORTIFY_SOURCE, Kirill A. Shutemov, 2010/01/01
- [Qemu-devel] [PATCH 06/15] block/vvfat.c: fix warnings with _FORTIFY_SOURCE, Kirill A. Shutemov, 2010/01/01
- [Qemu-devel] [PATCH 07/15] block/qcow2.c: fix warnings with _FORTIFY_SOURCE, Kirill A. Shutemov, 2010/01/01
- [Qemu-devel] [PATCH 08/15] net/slirp.c: fix warning with _FORTIFY_SOURCE, Kirill A. Shutemov, 2010/01/01
- [Qemu-devel] [PATCH 09/15] usb-linux.c: fix warning with _FORTIFY_SOURCE, Kirill A. Shutemov, 2010/01/01
- [Qemu-devel] [PATCH 10/15] vl.c: fix warning with _FORTIFY_SOURCE, Kirill A. Shutemov, 2010/01/01
- [Qemu-devel] [PATCH 11/15] monitor.c: fix warnings with _FORTIFY_SOURCE, Kirill A. Shutemov, 2010/01/01
- [Qemu-devel] [PATCH 12/15] linux-user/mmap.c: fix warnings with _FORTIFY_SOURCE, Kirill A. Shutemov, 2010/01/01
- [Qemu-devel] [PATCH 13/15] Enable _FORTIFY_SOURCE=2, Kirill A. Shutemov, 2010/01/01
- [Qemu-devel] [PATCH 14/15] Add -fstack-protector-all to CFLAGS, Kirill A. Shutemov, 2010/01/01
- [Qemu-devel] [PATCH 15/15] linux-user: fix return value of mmap_frag(),
Kirill A. Shutemov <=
- Message not available
- [Qemu-devel] Re: [PATCH 09/15] usb-linux.c: fix warning with _FORTIFY_SOURCE, Kirill A. Shutemov, 2010/01/05
- [Qemu-devel] Re: [PATCH 09/15] usb-linux.c: fix warning with _FORTIFY_SOURCE, Michael S. Tsirkin, 2010/01/05
[Qemu-devel] Re: [PATCH 01/15] Introduce qemu_write_full(), Paolo Bonzini, 2010/01/02