File util-linux-libmount-memleak.patch of Package util-linux.2662

commit af86564357ca39b69bf91b615e412004e1fb5da0
Author: Karel Zak <kzak@redhat.com>
Date:   Fri Feb 12 13:09:28 2016 +0100

    libmount: fix memleak in mnt_pretty_path()
    
    References: https://github.com/karelzak/util-linux/issues/275
    Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/libmount/src/cache.c b/libmount/src/cache.c
index eb6146d..b9b607b 100644
--- a/libmount/src/cache.c
+++ b/libmount/src/cache.c
@@ -635,6 +635,7 @@ char *mnt_pretty_path(const char *path, struct libmnt_cache *cache)
 		if (loopcxt_is_autoclear(&lc)) {
 			char *tmp = loopcxt_get_backing_file(&lc);
 			if (tmp) {
+				loopcxt_deinit(&lc);
 				if (!cache)
 					free(pretty);	/* not cached, deallocate */
 				return tmp;		/* return backing file */