[3/4] simplefb: add goto error path to probe

Commit Message

Hans de Goede Sept. 28, 2014, 12:43 p.m. UTC

From: Luc Verhaegen <[e-mail]>

Signed-off-by: Luc Verhaegen <[e-mail]>
Signed-off-by: Hans de Goede <[e-mail]>
---
 drivers/video/fbdev/simplefb.c | 20 +++++++++++++-------
 1 file changed, 13 insertions(+), 7 deletions(-)

Patch

diff --git a/drivers/video/fbdev/simplefb.c b/drivers/video/fbdev/simplefb.c
index ec112c1..b7d5c08 100644
--- a/drivers/video/fbdev/simplefb.c
+++ b/drivers/video/fbdev/simplefb.c
@@ -220,8 +220,8 @@  static int simplefb_probe(struct platform_device *pdev)
 
 	info->apertures = alloc_apertures(1);
 	if (!info->apertures) {
-		framebuffer_release(info);
-		return -ENOMEM;
+		ret = -ENOMEM;
+		goto error_fb_release;
 	}
 	info->apertures->ranges[0].base = info->fix.smem_start;
 	info->apertures->ranges[0].size = info->fix.smem_len;
@@ -231,8 +231,8 @@  static int simplefb_probe(struct platform_device *pdev)
 	info->screen_base = ioremap_wc(info->fix.smem_start,
 				       info->fix.smem_len);
 	if (!info->screen_base) {
-		framebuffer_release(info);
-		return -ENODEV;
+		ret = -ENODEV;
+		goto error_fb_release;
 	}
 	info->pseudo_palette = par->palette;
 
@@ -247,14 +247,20 @@  static int simplefb_probe(struct platform_device *pdev)
 	ret = register_framebuffer(info);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "Unable to register simplefb: %d\n", ret);
-		iounmap(info->screen_base);
-		framebuffer_release(info);
-		return ret;
+		goto error_unmap;
 	}
 
 	dev_info(&pdev->dev, "fb%d: simplefb registered!\n", info->node);
 
 	return 0;
+
+ error_unmap:
+	iounmap(info->screen_base);
+
+ error_fb_release:
+	framebuffer_release(info);
+
+	return ret;
 }
 
 static int simplefb_remove(struct platform_device *pdev)