Commit dc330e28 authored by Kirill A. Shutemov's avatar Kirill A. Shutemov Committed by Anthony Liguori
Browse files

vl.c: fix warning with _FORTIFY_SOURCE 



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: default avatarKirill A. Shutemov <kirill@shutemov.name>
Signed-off-by: default avatarJuan Quintela <quintela@redhat.com>
Signed-off-by: default avatarAnthony Liguori <aliguori@us.ibm.com>
parent 9f99cee7

vl.c

+18 −4
Original line number Diff line number Diff line
@@ -3185,11 +3185,17 @@ static int io_thread_fd = -1; 
static void qemu_event_increment(void)

{

    static const char byte = 0;

    ssize_t ret;



    if (io_thread_fd == -1)

        return;



    write(io_thread_fd, &byte, sizeof(byte));

    ret = write(io_thread_fd, &byte, sizeof(byte));

    if (ret < 0 && (errno != EINTR && errno != EAGAIN)) {

        fprintf(stderr, "qemu_event_increment: write() filed: %s\n",

                strerror(errno));

        exit (1);

    }

}



static void qemu_event_read(void *opaque)
@@ -5647,7 +5653,9 @@ 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("daemonize. Writing to pipe\n");

            }

        } else

#endif

            fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
@@ -5946,7 +5954,10 @@ int main(int argc, char **argv, char **envp) 
	if (len != 1)

	    exit(1);



	chdir("/");

        if (chdir("/")) {

            perror("not able to chdir to /");

            exit(1);

        }

	TFR(fd = qemu_open("/dev/null", O_RDWR));

	if (fd == -1)

	    exit(1);
@@ -5965,7 +5976,10 @@ int main(int argc, char **argv, char **envp) 
            fprintf(stderr, "chroot failed\n");

            exit(1);

        }

        chdir("/");

        if (chdir("/")) {

            perror("not able to chdir to /");

            exit(1);

        }

    }



    if (run_as) {