purgatory: Fix memcmp for src address increment

src addresses are not being incremented, so only first byte is compared
instead of first len bytes.

Signed-off-by: Pratyush Anand <panand@redhat.com>
Acked-by: Geoff Levand <geoff@infradead.org>
Signed-off-by: Simon Horman <horms@verge.net.au>

1 files changed, 2 insertions, 0 deletions

diff --git a/purgatory/string.c b/purgatory/string.c
index 4f35613..f06c460 100644
--- a/purgatory/string.c
+++ b/purgatory/string.c
@@ -46,6 +46,8 @@ int memcmp(void *src1, void *src2, size_t len)
 		if (*s1 != *s2) {
 			return *s2 - *s1;
 		}
+		s1++;
+		s2++;
 	}
 	return 0;