nfsdcltrack: skip "." and ".." when trying to clean out legacy recdir

readdir picks up these two entries as "normal" dentries, but rmdir'ing
them won't work (and we wouldn't want to remove them anyway).

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve Dickson <steved@redhat.com>

diff --git a/utils/nfsdcltrack/nfsdcltrack.c b/utils/nfsdcltrack/nfsdcltrack.c
index 9801b9cd94a01d8041a78a532539ac62745e603d..4334340197b1dcea9228428f00272b7267defc18 100644 (file)
--- a/utils/nfsdcltrack/nfsdcltrack.c
+++ b/utils/nfsdcltrack/nfsdcltrack.c
@@ -379,6 +379,17 @@ cltrack_legacy_gracedone(void)
        while ((entry = readdir(v4recovery))) {
                int len;
 
+               /* skip "." and ".." */
+               if (entry->d_name[0] == '.') {
+                       switch (entry->d_name[1]) {
+                       case '\0':
+                               continue;
+                       case '.':
+                               if (entry->d_name[2] == '\0')
+                                       continue;
+                       }
+               }
+
                /* borrow the clientid blob for this */
                len = snprintf((char *)blob, sizeof(blob), "%s/%s", dirname,
                                entry->d_name);