From: relan <relan@users.noreply.github.com>
Date: Tue, 14 Mar 2017 05:15:57 +0000 (+0300)
Subject: Repairing: implement invalid node checksum fix.
X-Git-Tag: android-x86-9.0-r1~10
X-Git-Url: http://git.osdn.net/view?p=android-x86%2Fexternal-exfat.git;a=commitdiff_plain;h=53728e5a79f29de88f834cca381cbbf381589610

Repairing: implement invalid node checksum fix.
---

diff --git a/libexfat/exfat.h b/libexfat/exfat.h
index d9bbbba..00c903d 100644
--- a/libexfat/exfat.h
+++ b/libexfat/exfat.h
@@ -236,5 +236,7 @@ void exfat_tzset(void);
 bool exfat_ask_to_fix(const struct exfat* ef);
 bool exfat_fix_invalid_vbr_checksum(const struct exfat* ef, void* sector,
 		uint32_t vbr_checksum);
+bool exfat_fix_invalid_node_checksum(const struct exfat* ef,
+		struct exfat_node* node);
 
 #endif /* ifndef EXFAT_H_INCLUDED */
diff --git a/libexfat/node.c b/libexfat/node.c
index 1ccb1c9..9270ccf 100644
--- a/libexfat/node.c
+++ b/libexfat/node.c
@@ -223,7 +223,8 @@ static bool check_node(const struct exfat* ef, struct exfat_node* node,
 		exfat_get_name(node, buffer);
 		exfat_error("'%s' has invalid checksum (%#hx != %#hx)", buffer,
 				le16_to_cpu(actual_checksum), le16_to_cpu(meta1->checksum));
-		ret = false;
+		if (!EXFAT_REPAIR(invalid_node_checksum, ef, node))
+			ret = false;
 	}
 
 	/*
diff --git a/libexfat/repair.c b/libexfat/repair.c
index a7222cd..049ebd7 100644
--- a/libexfat/repair.c
+++ b/libexfat/repair.c
@@ -76,3 +76,13 @@ bool exfat_fix_invalid_vbr_checksum(const struct exfat* ef, void* sector,
 	exfat_errors_fixed++;
 	return true;
 }
+
+bool exfat_fix_invalid_node_checksum(const struct exfat* ef,
+		struct exfat_node* node)
+{
+	/* checksum will be rewritten by exfat_flush_node() */
+	node->is_dirty = true;
+
+	exfat_errors_fixed++;
+	return true;
+}