[PATCH] fix segfault in fsck-cache

[git.git] / sha1_file.c

diff --git a/sha1_file.c b/sha1_file.c
index 97a515a..28ad159 100644 (file)
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -155,6 +155,8 @@ void * unpack_sha1_file(void *map, unsigned long mapsize, char *type, unsigned l
 
        inflateInit(&stream);
        ret = inflate(&stream, 0);
+       if (ret < Z_OK)
+               return NULL;
        if (sscanf(buffer, "%10s %lu", type, size) != 2)
                return NULL;