exfat: fix uninitialized return value on kernel < 4.16

namjaejeon · namjaejeon · commit 08b714e704c8 · 2022-05-18T18:09:49.000+09:00
Reported-by: kuehnelth &lt;kuehnelth@gmail.com&gt;
Signed-off-by: Namjae Jeon &lt;linkinjeon@kernel.org&gt;
diff --git a/namei.c b/namei.c
@@ -36,7 +36,7 @@ static inline void exfat_d_version_set(struct dentry *dentry,
  */
 static int exfat_d_revalidate(struct dentry *dentry, unsigned int flags)
 {
-	int ret;
+	int ret = 1;
 
 	if (flags & LOOKUP_RCU)
 		return -ECHILD;

Original file line number	Diff line number	Diff line change
`@@ -36,7 +36,7 @@ static inline void exfat_d_version_set(struct dentry *dentry,`
`36`	`36`	`*/`
`37`	`37`	`static int exfat_d_revalidate(struct dentry *dentry, unsigned int flags)`
`38`	`38`	`{`
`39`		`- int ret;`
	`39`	`+ int ret = 1;`
`40`	`40`
`41`	`41`	`if (flags & LOOKUP_RCU)`
`42`	`42`	`return -ECHILD;`