libmount: improve debug message

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/libmount/src/tab_parse.c b/libmount/src/tab_parse.c
index a9a8f0fb260c60898800f368f78b7242e9e1fc88..463c884e3be865bf98b8800d66fe0b0cd9d40099 100644 (file)
--- a/libmount/src/tab_parse.c
+++ b/libmount/src/tab_parse.c
@@ -770,7 +770,7 @@ int mnt_table_set_parser_fltrcb(struct libmnt_table *tb,
 {
        assert(tb);
 
-       DBG(TAB, mnt_debug_h(tb, "set table parser filter"));
+       DBG(TAB, mnt_debug_h(tb, "%s table parser filter", cb ? "set" : "unset"));
        tb->fltrcb = cb;
        tb->fltrcb_data = data;
        return 0;