From: Akinobu Mita <akinobu.mita@gmail.com>
Date: Thu, 7 Dec 2006 04:39:05 +0000 (-0800)
Subject: [PATCH] spi: check platform_device_register_simple() error
X-Git-Tag: firefly_0821_release~31885^2~14^2~108
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=7b92ff01c2cd21567c3342c1c77d5e4f1a2bd699;p=firefly-linux-kernel-4.4.55.git

[PATCH] spi: check platform_device_register_simple() error

Check the return value of platform_device_register_simple().

Cc: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/drivers/spi/spi_butterfly.c b/drivers/spi/spi_butterfly.c
index c2f601f8e4f2..312987a03210 100644
--- a/drivers/spi/spi_butterfly.c
+++ b/drivers/spi/spi_butterfly.c
@@ -251,6 +251,8 @@ static void butterfly_attach(struct parport *p)
 	 * setting up a platform device like this is an ugly kluge...
 	 */
 	pdev = platform_device_register_simple("butterfly", -1, NULL, 0);
+	if (IS_ERR(pdev))
+		return;
 
 	master = spi_alloc_master(&pdev->dev, sizeof *pp);
 	if (!master) {