raid6check: Fix memory leaks detected by valgrind

==2389947== 24 bytes in 1 blocks are definitely lost in loss record 1 of 10
==2389947==    at 0x4C2B3F8: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==2389947==    by 0x408067: xmalloc (xmalloc.c:36)
==2389947==    by 0x401B19: check_stripes (raid6check.c:151)
==2389947==    by 0x4030C6: main (raid6check.c:521)
==2389947==
==2389947== 24 bytes in 1 blocks are definitely lost in loss record 2 of 10
==2389947==    at 0x4C2B3F8: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==2389947==    by 0x408067: xmalloc (xmalloc.c:36)
==2389947==    by 0x401B67: check_stripes (raid6check.c:155)
==2389947==    by 0x4030C6: main (raid6check.c:521)
==2389947==

Signed-off-by: Bernd Schubert <bernd.schubert@fastmail.fm>
Signed-off-by: NeilBrown <neilb@suse.de>

1 files changed, 2 insertions, 0 deletions

diff --git a/raid6check.c b/raid6check.c
index f5aeee44..17f74304 100644
--- a/raid6check.c
+++ b/raid6check.c
@@ -325,9 +325,11 @@ exitCheck:
 	free(stripe_buf);
 	free(stripes);
 	free(blocks);
+	free(block_index_for_slot);
 	free(p);
 	free(q);
 	free(results);
+	free(sig);
 
 	return err;
 }