From: Jiri Slaby <jirislaby@gmail.com>
Date: Thu, 7 Feb 2008 08:16:44 +0000 (-0800)
Subject: Char: mxser, simplify mxser_get_serial_info
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=f83bb2d40a879c21c5085ee8cfc426f9936901ee;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

Char: mxser, simplify mxser_get_serial_info

Initialize temp structure directly with proper values without first zeroing
it and setting later as suggested by Jan.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Cc: Jan Engelhardt <jengelh@computergmbh.de>
Reviewed-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/drivers/char/mxser_new.c b/drivers/char/mxser_new.c
index 9449fba80faa..937c101db905 100644
--- a/drivers/char/mxser_new.c
+++ b/drivers/char/mxser_new.c
@@ -1168,21 +1168,18 @@ static void mxser_flush_buffer(struct tty_struct *tty)
 static int mxser_get_serial_info(struct mxser_port *info,
 		struct serial_struct __user *retinfo)
 {
-	struct serial_struct tmp;
-
-	if (!retinfo)
-		return -EFAULT;
-	memset(&tmp, 0, sizeof(tmp));
-	tmp.type = info->type;
-	tmp.line = info->tty->index;
-	tmp.port = info->ioaddr;
-	tmp.irq = info->board->irq;
-	tmp.flags = info->flags;
-	tmp.baud_base = info->baud_base;
-	tmp.close_delay = info->close_delay;
-	tmp.closing_wait = info->closing_wait;
-	tmp.custom_divisor = info->custom_divisor;
-	tmp.hub6 = 0;
+	struct serial_struct tmp = {
+		.type = info->type,
+		.line = info->tty->index,
+		.port = info->ioaddr,
+		.irq = info->board->irq,
+		.flags = info->flags,
+		.baud_base = info->baud_base,
+		.close_delay = info->close_delay,
+		.closing_wait = info->closing_wait,
+		.custom_divisor = info->custom_divisor,
+		.hub6 = 0
+	};
 	if (copy_to_user(retinfo, &tmp, sizeof(*retinfo)))
 		return -EFAULT;
 	return 0;