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[Qemu-devel] [PATCH 14/18] vl.c: fix warning with _FORTIFY_SOURCE
From: |
Kirill A. Shutemov |
Subject: |
[Qemu-devel] [PATCH 14/18] vl.c: fix warning with _FORTIFY_SOURCE |
Date: |
Sun, 20 Dec 2009 03:39:23 +0200 |
CC i386-softmmu/vl.o
cc1: warnings being treated as errors
/usr/src/RPM/BUILD/qemu-0.11.92/vl.c: In function 'qemu_event_increment':
/usr/src/RPM/BUILD/qemu-0.11.92/vl.c:3404: error: ignoring return value of
'write', declared with attribute warn_unused_result
/usr/src/RPM/BUILD/qemu-0.11.92/vl.c: In function 'main':
/usr/src/RPM/BUILD/qemu-0.11.92/vl.c:5774: error: ignoring return value of
'write', declared with attribute warn_unused_result
/usr/src/RPM/BUILD/qemu-0.11.92/vl.c:6064: error: ignoring return value of
'chdir', declared with attribute warn_unused_result
/usr/src/RPM/BUILD/qemu-0.11.92/vl.c:6083: error: ignoring return value of
'chdir', declared with attribute warn_unused_result
make[1]: *** [vl.o] Error 1
Signed-off-by: Kirill A. Shutemov <address@hidden>
---
vl.c | 15 +++++++++++----
1 files changed, 11 insertions(+), 4 deletions(-)
diff --git a/vl.c b/vl.c
index e606903..60a2c5e 100644
--- a/vl.c
+++ b/vl.c
@@ -3383,7 +3383,11 @@ static void qemu_event_increment(void)
if (io_thread_fd == -1)
return;
- write(io_thread_fd, &byte, sizeof(byte));
+ if (write(io_thread_fd, &byte, sizeof(byte)) != sizeof(byte)){
+ fprintf(stderr, "qemu_event_increment: write() filed: %s\n",
+ strerror(errno));
+ exit (1);
+ }
}
static void qemu_event_read(void *opaque)
@@ -5767,7 +5771,8 @@ int main(int argc, char **argv, char **envp)
#ifndef _WIN32
if (daemonize) {
uint8_t status = 1;
- write(fds[1], &status, 1);
+ if (write(fds[1], &status, 1) != 1)
+ perror("write()");
} else
#endif
fprintf(stderr, "Could not acquire pid file: %s\n",
strerror(errno));
@@ -6064,7 +6069,8 @@ int main(int argc, char **argv, char **envp)
if (len != 1)
exit(1);
- chdir("/");
+ if (chdir("/"))
+ exit(1);
TFR(fd = qemu_open("/dev/null", O_RDWR));
if (fd == -1)
exit(1);
@@ -6083,7 +6089,8 @@ int main(int argc, char **argv, char **envp)
fprintf(stderr, "chroot failed\n");
exit(1);
}
- chdir("/");
+ if (chdir("/"))
+ exit(1);
}
if (run_as) {
--
1.6.5.6
- [Qemu-devel] [PATCH 04/18] block/cow.c: fix warnings with _FORTIFY_SOURCE, (continued)
- [Qemu-devel] [PATCH 04/18] block/cow.c: fix warnings with _FORTIFY_SOURCE, Kirill A. Shutemov, 2009/12/19
- [Qemu-devel] [PATCH 05/18] block/qcow.c: fix warnings with _FORTIFY_SOURCE, Kirill A. Shutemov, 2009/12/19
- [Qemu-devel] [PATCH 06/18] block/vmdk.o: fix warnings with _FORTIFY_SOURCE, Kirill A. Shutemov, 2009/12/19
- [Qemu-devel] [PATCH 07/18] block/bochs.c: fix warning with _FORTIFY_SOURCE, Kirill A. Shutemov, 2009/12/19
- [Qemu-devel] [PATCH 08/18] block/vvfat.c: fix warnings with _FORTIFY_SOURCE, Kirill A. Shutemov, 2009/12/19
- [Qemu-devel] [PATCH 09/18] block/qcow2.c: fix warnings with _FORTIFY_SOURCE, Kirill A. Shutemov, 2009/12/19
- [Qemu-devel] [PATCH 10/18] net/slirp.c: fix warning with _FORTIFY_SOURCE, Kirill A. Shutemov, 2009/12/19
- [Qemu-devel] [PATCH 11/18] usb-linux.c: fix warning with _FORTIFY_SOURCE, Kirill A. Shutemov, 2009/12/19
- [Qemu-devel] [PATCH 12/18] savevm.c: fix warning with _FORTIFY_SOURCE, Kirill A. Shutemov, 2009/12/19
- [Qemu-devel] [PATCH 13/18] slirp/misc.c: fix warning with _FORTIFY_SOURCE, Kirill A. Shutemov, 2009/12/19
- [Qemu-devel] [PATCH 14/18] vl.c: fix warning with _FORTIFY_SOURCE,
Kirill A. Shutemov <=
- [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