mm/util.c: fix strndup_user() comment

akpm00 · torvalds · commit e91455217d8c · 2019-04-05T16:02:31.000-10:00
The kerneldoc misdescribes strndup_user()'s return value.

Cc: Dan Carpenter &lt;dan.carpenter@oracle.com&gt;
Cc: Timur Tabi &lt;timur@freescale.com&gt;
Cc: Mihai Caraman &lt;mihai.caraman@freescale.com&gt;
Cc: Kumar Gala &lt;galak@kernel.crashing.org&gt;
Signed-off-by: Andrew Morton &lt;akpm@linux-foundation.org&gt;
Signed-off-by: Linus Torvalds &lt;torvalds@linux-foundation.org&gt;
diff --git a/mm/util.c b/mm/util.c
@@ -204,7 +204,7 @@ EXPORT_SYMBOL(vmemdup_user);
  * @s: The string to duplicate
  * @n: Maximum number of bytes to copy, including the trailing NUL.
  *
- * Return: newly allocated copy of @s or %NULL in case of error
+ * Return: newly allocated copy of @s or an ERR_PTR() in case of error
  */
 char *strndup_user(const char __user *s, long n)
 {

Original file line number	Diff line number	Diff line change
`@@ -204,7 +204,7 @@ EXPORT_SYMBOL(vmemdup_user);`
`204`	`204`	`* @s: The string to duplicate`
`205`	`205`	`* @n: Maximum number of bytes to copy, including the trailing NUL.`
`206`	`206`	`*`
`207`		`- * Return: newly allocated copy of @s or %NULL in case of error`
	`207`	`+ * Return: newly allocated copy of @s or an ERR_PTR() in case of error`
`208`	`208`	`*/`
`209`	`209`	`char strndup_user(const char __user s, long n)`
`210`	`210`	`{`