diff --git a/README.md b/README.md
new file mode 100644
index 0000000..0c3e35c
--- /dev/null
+++ b/README.md
@@ -0,0 +1,16 @@
+# flashmap
+Automatically exported from code.google.com/p/flashmap
+
+Added the pending pull request over at the main github site since noone else seems to bother.
+
+# prerequisites (debian-based distros)
+
+    apt-get install checkinstall -y
+
+# install (debian)
+
+    make clean && make && checkinstall
+    
+# uninstall (debian)
+
+    dpkg -r flashmap
diff --git a/fmap_csum.c b/fmap_csum.c
index c443a62..a46fc8f 100644
--- a/fmap_csum.c
+++ b/fmap_csum.c
@@ -58,9 +58,10 @@ void print_csum(uint8_t *digest, size_t len)
 	char *str;
 	char tmp[3];
 	unsigned int i;
+	char size = sizeof(str);
 
 	str = malloc((len * 2) + 1);
-	memset(str, '\0', sizeof(str));
+	memset(str, '\0', size);
 	for (i = 0; i < len; i++) {
 		snprintf(tmp, 3, "%02x", digest[i]);
 		strncat(str, tmp, 3);
diff --git a/lib/fmap.c b/lib/fmap.c
index 8850a92..5022434 100644
--- a/lib/fmap.c
+++ b/lib/fmap.c
@@ -223,7 +223,7 @@ int fmap_get_csum(const uint8_t *image, unsigned int image_len, uint8_t **digest
 	int fmap_offset;
 	SHA_CTX ctx;
 
-	if ((image == NULL))
+	if (image == NULL)
 		return -1;
 
 	if ((fmap_offset = fmap_find(image, image_len)) < 0)