linux-kernel - [PATCH 1/6] video: fbdev: stifb.c: use container_of to resolve stifb_info from fb

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Date:	Wed, 17 Sep 2014 21:00:14 +0200
From:	Fabian Frederick <fabf@...net.be>
To:	linux-kernel@...r.kernel.org
Cc:	daniel.vetter@...el.com, Fabian Frederick <fabf@...net.be>,
	"James E.J. Bottomley" <jejb@...isc-linux.org>,
	Helge Deller <deller@....de>,
	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
	Tomi Valkeinen <tomi.valkeinen@...com>,
	linux-parisc@...r.kernel.org, linux-fbdev@...r.kernel.org
Subject: [PATCH 1/6] video: fbdev: stifb.c: use container_of to resolve stifb_info from fb_info

Use container_of instead of casting first structure member.

Signed-off-by: Fabian Frederick <fabf@...net.be>
---
PARISC cross-compiled but untested.

 drivers/video/fbdev/stifb.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/video/fbdev/stifb.c b/drivers/video/fbdev/stifb.c
index cfe8a2f..86621fa 100644
--- a/drivers/video/fbdev/stifb.c
+++ b/drivers/video/fbdev/stifb.c
@@ -918,7 +918,7 @@ static int
 stifb_setcolreg(u_int regno, u_int red, u_int green,
 	      u_int blue, u_int transp, struct fb_info *info)
 {
-	struct stifb_info *fb = (struct stifb_info *) info;
+	struct stifb_info *fb = container_of(info, struct stifb_info, info);
 	u32 color;
 
 	if (regno >= NR_PALETTE)
@@ -978,7 +978,7 @@ stifb_setcolreg(u_int regno, u_int red, u_int green,
 static int
 stifb_blank(int blank_mode, struct fb_info *info)
 {
-	struct stifb_info *fb = (struct stifb_info *) info;
+	struct stifb_info *fb = container_of(info, struct stifb_info, info);
 	int enable = (blank_mode == 0) ? ENABLE : DISABLE;
 
 	switch (fb->id) {
-- 
2.1.0

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