From: Heinrich Schuchardt <xypron.glpk@gmx.de>
Date: Fri, 25 Dec 2020 14:19:39 +0000 (+0100)
Subject: ubifs: do not decide upon uninitialized variable
X-Git-Url: http://git.dujemihanovic.xyz/%22http:/www.sics.se/static/%7B%7B%20%24style.Permalink%20%7D%7D?a=commitdiff_plain;h=81f562719e475b0e13ff7a0201cae19f8cc367fe;p=u-boot.git

ubifs: do not decide upon uninitialized variable

Before 'if (err)' we have to initialize the variable otherwise we use a
random value from the stack.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
---

diff --git a/fs/ubifs/io.c b/fs/ubifs/io.c
index eb14b89544..9962cbe7eb 100644
--- a/fs/ubifs/io.c
+++ b/fs/ubifs/io.c
@@ -114,7 +114,7 @@ int ubifs_leb_read(const struct ubifs_info *c, int lnum, void *buf, int offs,
 int ubifs_leb_write(struct ubifs_info *c, int lnum, const void *buf, int offs,
 		    int len)
 {
-	int err;
+	int err = 0;
 
 	ubifs_assert(!c->ro_media && !c->ro_mount);
 	if (c->ro_error)
@@ -136,7 +136,7 @@ int ubifs_leb_write(struct ubifs_info *c, int lnum, const void *buf, int offs,
 
 int ubifs_leb_change(struct ubifs_info *c, int lnum, const void *buf, int len)
 {
-	int err;
+	int err = 0;
 
 	ubifs_assert(!c->ro_media && !c->ro_mount);
 	if (c->ro_error)
@@ -158,7 +158,7 @@ int ubifs_leb_change(struct ubifs_info *c, int lnum, const void *buf, int len)
 
 int ubifs_leb_unmap(struct ubifs_info *c, int lnum)
 {
-	int err;
+	int err = 0;
 
 	ubifs_assert(!c->ro_media && !c->ro_mount);
 	if (c->ro_error)
@@ -179,7 +179,7 @@ int ubifs_leb_unmap(struct ubifs_info *c, int lnum)
 
 int ubifs_leb_map(struct ubifs_info *c, int lnum)
 {
-	int err;
+	int err = 0;
 
 	ubifs_assert(!c->ro_media && !c->ro_mount);
 	if (c->ro_error)