[patch 4/4] select: Use user_read_masked_begin()

[Thomas Gleixner]

Replace the can_do_masked_user_access()	conditional with the generic macro.

No functional change.

Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Alexander Viro <viro@xxxxxxxxxxxxxxxxxx>
Cc: Christian Brauner <brauner@xxxxxxxxxx>
Cc: Jan Kara <jack@xxxxxxx>
Cc: linux-fsdevel@xxxxxxxxxxxxxxx
---
 fs/select.c |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

--- a/fs/select.c
+++ b/fs/select.c
@@ -776,9 +776,7 @@ static inline int get_sigset_argpack(str
 {
 	// the path is hot enough for overhead of copy_from_user() to matter
 	if (from) {
-		if (can_do_masked_user_access())
-			from = masked_user_access_begin(from);
-		else if (!user_read_access_begin(from, sizeof(*from)))
+		if (!user_read_masked_begin(from))
 			return -EFAULT;
 		unsafe_get_user(to->p, &from->p, Efault);
 		unsafe_get_user(to->size, &from->size, Efault);