linux-kernel - [PATCH v4 09/21] serial: omap: drop unnecessary check from remove

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Message-Id: <1346935540-1792-10-git-send-email-balbi@ti.com>
Date:	Thu,  6 Sep 2012 15:45:28 +0300
From:	Felipe Balbi <balbi@...com>
To:	Greg KH <gregkh@...uxfoundation.org>
Cc:	alan@...ux.intel.com, Tony Lindgren <tony@...mide.com>,
	Kevin Hilman <khilman@...com>,
	Linux OMAP Mailing List <linux-omap@...r.kernel.org>,
	Linux ARM Kernel Mailing List 
	<linux-arm-kernel@...ts.infradead.org>,
	linux-serial@...r.kernel.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Santosh Shilimkar <santosh.shilimkar@...com>,
	Shubhrajyoti Datta <shubhrajyoti@...com>,
	Sourav Poddar <sourav.poddar@...com>,
	Felipe Balbi <balbi@...com>
Subject: [PATCH v4 09/21] serial: omap: drop unnecessary check from remove

if platform_get_drvdata() returns NULL, that's
quite a nasty bug on the driver which we want to
catch ASAP. Otherwise, that check is hugely
unneeded.

Tested-by: Shubhrajyoti D <shubhrajyoti@...com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@...com>
Signed-off-by: Felipe Balbi <balbi@...com>
---
 drivers/tty/serial/omap-serial.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c
index 8a696a4..c19d340 100644
--- a/drivers/tty/serial/omap-serial.c
+++ b/drivers/tty/serial/omap-serial.c
@@ -1369,13 +1369,10 @@ static int serial_omap_remove(struct platform_device *dev)
 {
 	struct uart_omap_port *up = platform_get_drvdata(dev);
 
-	if (up) {
-		pm_runtime_disable(up->dev);
-		uart_remove_one_port(&serial_omap_reg, &up->port);
-		pm_qos_remove_request(&up->pm_qos_request);
-	}
+	pm_runtime_disable(up->dev);
+	uart_remove_one_port(&serial_omap_reg, &up->port);
+	pm_qos_remove_request(&up->pm_qos_request);
 
-	platform_set_drvdata(dev, NULL);
 	return 0;
 }
 
-- 
1.7.12.rc3

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