Tools: hv: fix warnings in hv_vss_daemon

[linux-3.10.git] / tools / hv / hv_vss_daemon.c

diff --git a/tools/hv/hv_vss_daemon.c b/tools/hv/hv_vss_daemon.c
index 9526995..2a03d0b 100644 (file)
--- a/tools/hv/hv_vss_daemon.c
+++ b/tools/hv/hv_vss_daemon.c
@@ -51,7 +51,7 @@ static int vss_operate(int operation)
        FILE *file;
        char *p;
        char *x;
-       int error;
+       int error = 0;
 
        switch (operation) {
        case VSS_OP_FREEZE:
@@ -60,11 +60,13 @@ static int vss_operate(int operation)
        case VSS_OP_THAW:
                fs_op = "-u ";
                break;
+       default:
+               return -1;
        }
 
-       file = popen("mount | awk '/^\/dev\// { print $3}'", "r");
+       file = popen("mount | awk '/^\\/dev\\// { print $3}'", "r");
        if (file == NULL)
-               return;
+               return -1;
 
        while ((p = fgets(buf, sizeof(buf), file)) != NULL) {
                x = strchr(p, '\n');
@@ -128,7 +130,9 @@ int main(void)
        int     op;
        struct hv_vss_msg *vss_msg;
 
-       daemon(1, 0);
+       if (daemon(1, 0))
+               return 1;
+
        openlog("Hyper-V VSS", 0, LOG_USER);
        syslog(LOG_INFO, "VSS starting; pid is:%d", getpid());