anonymous inode: fix kbuf size for nul

cirosantilli · cirosantilli · commit ae3c03bdb073 · 2018-07-01T17:51:08.000+01:00
diff --git a/kernel_module/anonymous_inode.c b/kernel_module/anonymous_inode.c
@@ -16,7 +16,7 @@ static u32 myval = 1;
 
 static ssize_t read(struct file *filp, char __user *buf, size_t len, loff_t *off)
 {
-	char kbuf[8];
+	char kbuf[9];
 	size_t ret;
 
 	ret = snprintf(kbuf, sizeof(kbuf), "%x", myval);

Original file line number	Diff line number	Diff line change
`@@ -16,7 +16,7 @@ static u32 myval = 1;`
`16`	`16`
`17`	`17`	`static ssize_t read(struct file filp, char __user buf, size_t len, loff_t *off)`
`18`	`18`	`{`
`19`		`- char kbuf[8];`
	`19`	`+ char kbuf[9];`
`20`	`20`	`size_t ret;`
`21`	`21`
`22`	`22`	`ret = snprintf(kbuf, sizeof(kbuf), "%x", myval);`