setgid: test for failures

diff --git a/src/subscriberfuncs.c b/src/subscriberfuncs.c
index 314bfba2ea456a8293d621fb7f0c67158a399dc9..457ca2fcdf987d3f205b1bf7ce6c104d253c096a 100644 (file)
--- a/src/subscriberfuncs.c
+++ b/src/subscriberfuncs.c
@@ -632,7 +632,8 @@ subscribe_type(int listfd, char *address, enum subtype typesub)
                if(st.st_mode & S_IWGRP) {
                        groupwritable = S_IRGRP|S_IWGRP;
                        umask(S_IWOTH);
-                       setgid(st.st_gid);
+                       if (setgid(st.st_gid) < 0)
+                               err(EXIT_FAILURE, "setgid");
                }
        }