Commit acdc3f0c authored by Juan Quintela's avatar Juan Quintela Committed by Anthony Liguori
Browse files

check pipe() return value 



Signed-off-by: default avatarJuan Quintela <quintela@redhat.com>
Signed-off-by: default avatarAnthony Liguori <aliguori@us.ibm.com>
parent fb7e378c

hw/xen_domainbuild.c

+9 −4
Original line number Diff line number Diff line
@@ -156,15 +156,18 @@ quit: 
    return;

}



static void xen_domain_watcher(void)

static int xen_domain_watcher(void)

{

    int qemu_running = 1;

    int fd[2], i, n, rc;

    char byte;



    pipe(fd);

    if (pipe(fd) != 0) {

        qemu_log("%s: Huh? pipe error: %s\n", __FUNCTION__, strerror(errno));

        return -1;

    }

    if (fork() != 0)

        return; /* not child */

        return 0; /* not child */



    /* close all file handles, except stdio/out/err,

     * our watch pipe and the xen interface handle */
@@ -238,7 +241,9 @@ int xen_domain_build_pv(const char *kernel, const char *ramdisk, 
    }

    qemu_log("xen: created domain %d\n", xen_domid);

    atexit(xen_domain_cleanup);

    xen_domain_watcher();

    if (xen_domain_watcher() == -1) {

        goto err;

    }



    xenstore_domain_init1(kernel, ramdisk, cmdline);