linux-kernel - [PATCH 4.16 70/81] block/swim: Select appropriate drive on device open

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Message-Id: <20180427135747.374302652@linuxfoundation.org>
Date:   Fri, 27 Apr 2018 15:59:12 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Laurent Vivier <lvivier@...hat.com>,
        Jens Axboe <axboe@...nel.dk>, Stan Johnson <userm57@...oo.com>,
        Finn Thain <fthain@...egraphics.com.au>
Subject: [PATCH 4.16 70/81] block/swim: Select appropriate drive on device open

4.16-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Finn Thain <fthain@...egraphics.com.au>

commit b3906535ccc6cd04c42f9b1c7e31d1947b3ebc74 upstream.

The driver supports internal and external FDD units so the floppy_open
function must not hard-code the drive location.

Cc: Laurent Vivier <lvivier@...hat.com>
Cc: Jens Axboe <axboe@...nel.dk>
Cc: stable@...r.kernel.org # v4.14+
Tested-by: Stan Johnson <userm57@...oo.com>
Signed-off-by: Finn Thain <fthain@...egraphics.com.au>
Acked-by: Laurent Vivier <lvivier@...hat.com>
Signed-off-by: Jens Axboe <axboe@...nel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/block/swim.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/block/swim.c
+++ b/drivers/block/swim.c
@@ -646,7 +646,7 @@ static int floppy_open(struct block_devi
 
 	swim_write(base, setup, S_IBM_DRIVE  | S_FCLK_DIV2);
 	udelay(10);
-	swim_drive(base, INTERNAL_DRIVE);
+	swim_drive(base, fs->location);
 	swim_motor(base, ON);
 	swim_action(base, SETMFM);
 	if (fs->ejected)