lib/libalpm/util.c: Fix two memory leaks

Free "md5sum" if md5_file() fails in alpm_compute_md5sum(). Free
"sha256sum" if sha2_file() fails in alpm_compute_sha256sum().

Signed-off-by: Lukas Fleischer <archlinux@cryptocrack.de>
Signed-off-by: Dan McGee <dan@archlinux.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/lib/libalpm/util.c b/lib/libalpm/util.c
index cf783893..98eaa175 100644
--- a/lib/libalpm/util.c
+++ b/lib/libalpm/util.c
@@ -836,6 +836,7 @@ char SYMEXPORT *alpm_compute_md5sum(const char *filename)
 	ret = md5_file(filename, output);
 
 	if(ret > 0) {
+		free(md5sum);
 		return NULL;
 	}
 
@@ -867,6 +868,7 @@ char SYMEXPORT *alpm_compute_sha256sum(const char *filename)
 	ret = sha2_file(filename, output, 0);
 
 	if(ret > 0) {
+		free(sha256sum);
 		return NULL;
 	}