client: Fix the gid_count check

Make the right check for gid_count.

Fixes: http://tracker.ceph.com/issues/23652
Signed-off-by: Jos Collin <jcollin@redhat.com>
(cherry picked from commit 956d5501facc6a65903b0bad0d4b87c88139c787)

diff --git a/src/client/UserPerm.h b/src/client/UserPerm.h
index a2d6ccbe888d759ce966ba79bc41a695042f02b0..55371772e64ee786ae64edc10808def24c31352e 100644 (file)
--- a/src/client/UserPerm.h
+++ b/src/client/UserPerm.h
@@ -31,7 +31,7 @@ private:
     m_uid = b.m_uid;
     m_gid = b.m_gid;
     gid_count = b.gid_count;
-    if (gid_count) {
+    if (gid_count > 0) {
       gids = new gid_t[gid_count];
       alloced_gids = true;
       for (int i = 0; i < gid_count; ++i) {