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

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Message-ID: <alpine.LRH.2.00.1305221109110.10829@lnfm1.sai.msu.ru>
Date:	Wed, 22 May 2013 11:13:38 +0400 (MSK)
From:	"Matwey V. Kornilov" <matwey@....msu.ru>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
cc:	Greg KH <greg@...ah.com>, linux-next@...r.kernel.org,
	linux-kernel@...r.kernel.org, jirislaby@...il.com,
	linux-serial@...r.kernel.org
Subject: [PATCH] tty: mxser: Fix build warning introduced by dfc7b837c7f9
 (Re: linux-next: build warning after merge of the tty.current tree)

From: Matwey V. Kornilov <matwey@....msu.ru>

Fix build warning at mxser.c introduced by dfc7b837c7f9

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

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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