Fix gcc uninitialized variable warnings

[zfs.git] / lib / libzfs / libzfs_dataset.c

diff --git a/lib/libzfs/libzfs_dataset.c b/lib/libzfs/libzfs_dataset.c
index 32cdd63..a0146b4 100644 (file)
--- a/lib/libzfs/libzfs_dataset.c
+++ b/lib/libzfs/libzfs_dataset.c
@@ -1362,7 +1362,7 @@ zfs_prop_set(zfs_handle_t *zhp, const char *propname, const char *propval)
        zfs_prop_t prop;
        boolean_t do_prefix;
        uint64_t idx;
-       int added_resv;
+       int added_resv = 0;
 
        (void) snprintf(errbuf, sizeof (errbuf),
            dgettext(TEXT_DOMAIN, "cannot set property for '%s'"),
@@ -2791,7 +2791,7 @@ zfs_create_ancestors(libzfs_handle_t *hdl, const char *path)
 {
        int prefix;
        char *path_copy;
-       int rc;
+       int rc = 0;
 
        if (check_parents(hdl, path, NULL, B_TRUE, &prefix) != 0)
                return (-1);
@@ -3348,8 +3348,8 @@ zfs_rollback(zfs_handle_t *zhp, zfs_handle_t *snap, boolean_t force)
        int err;
        zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
        boolean_t restore_resv = 0;
-       uint64_t old_volsize, new_volsize;
-       zfs_prop_t resv_prop;
+       uint64_t old_volsize = 0, new_volsize;
+       zfs_prop_t resv_prop = { 0 };
 
        assert(zhp->zfs_type == ZFS_TYPE_FILESYSTEM ||
            zhp->zfs_type == ZFS_TYPE_VOLUME);
@@ -3579,6 +3579,7 @@ zfs_rename(zfs_handle_t *zhp, const char *target, boolean_t recursive)
                            "child dataset with inherited mountpoint is used "
                            "in a non-global zone"));
                        (void) zfs_error(hdl, EZFS_ZONED, errbuf);
+                       ret = -1;
                        goto error;
                }