Fix missing vdev names in zpool status output

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

diff --git a/lib/libzfs/libzfs_pool.c b/lib/libzfs/libzfs_pool.c
index ec27b57..cd03172 100644 (file)
--- a/lib/libzfs/libzfs_pool.c
+++ b/lib/libzfs/libzfs_pool.c
@@ -3047,6 +3047,8 @@ set_path(zpool_handle_t *zhp, nvlist_t *nv, const char *path)
        (void) ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_VDEV_SETPATH, &zc);
 }
 
+#define        PATH_BUF_LEN    64
+
 /*
  * Given a vdev, return the name to display in iostat.  If the vdev has a path,
  * we use that, stripping off any leading "/dev/dsk/"; if not, we use the type.
@@ -3068,7 +3070,7 @@ zpool_vdev_name(libzfs_handle_t *hdl, zpool_handle_t *zhp, nvlist_t *nv,
 {
        char *path, *devid, *type;
        uint64_t value;
-       char buf[64];
+       char buf[PATH_BUF_LEN];
        vdev_stat_t *vs;
        uint_t vsc;
 
@@ -3160,11 +3162,13 @@ zpool_vdev_name(libzfs_handle_t *hdl, zpool_handle_t *zhp, nvlist_t *nv,
                 * If it's a raidz device, we need to stick in the parity level.
                 */
                if (strcmp(path, VDEV_TYPE_RAIDZ) == 0) {
+                       char tmpbuf[PATH_BUF_LEN];
+
                        verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NPARITY,
                            &value) == 0);
-                       (void) snprintf(buf, sizeof (buf), "%s%llu", path,
+                       (void) snprintf(tmpbuf, sizeof (tmpbuf), "%s%llu", path,
                            (u_longlong_t)value);
-                       path = buf;
+                       path = tmpbuf;
                }
 
                /*