[PATCH] tty: mxser: Fix build warning introduced by dfc7b837c7f9(Re: linux-next: build warning after merge of the tty.current tree)

[Matwey V. Kornilov]

From: Matwey V. Kornilov <matwey@xxxxxxxxxx>

Fix build warning at mxser.c introduced by dfc7b837c7f9

Signed-off-by: Matwey V. Kornilov <matwey@xxxxxxxxxx>
---

diff --git a/drivers/tty/mxser.c b/drivers/tty/mxser.c
index f97b196..4c4a236 100644
--- a/drivers/tty/mxser.c
+++ b/drivers/tty/mxser.c
@@ -1674,15 +1674,15 @@ static int mxser_ioctl(struct tty_struct *tty,
 		return mxser_ioctl_special(cmd, argp);

 	if (cmd == MOXA_SET_OP_MODE || cmd == MOXA_GET_OP_MODE) {
-		if (info->board->chip_flag != MOXA_MUST_MU860_HWID)
-			return -EFAULT;
-
 		int p;
 		unsigned long opmode;
 		static unsigned char ModeMask[] = { 0xfc, 0xf3, 0xcf, 0x3f };
 		int shiftbit;
 		unsigned char val, mask;

+		if (info->board->chip_flag != MOXA_MUST_MU860_HWID)
+			return -EFAULT;
+
 		p = tty->index % 4;
 		if (cmd == MOXA_SET_OP_MODE) {
 			if (get_user(opmode, (int __user *) argp))

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