linux-kernel - [PATCH v2 2/2] video: fbdev: uvesafb: Simplify uvesafb

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Date:   Sat, 10 Dec 2022 12:35:23 +0100
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     Michal Januszewski <spock@...too.org>, Helge Deller <deller@....de>
Cc:     linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        linux-fbdev@...r.kernel.org, dri-devel@...ts.freedesktop.org
Subject: [PATCH v2 2/2] video: fbdev: uvesafb: Simplify uvesafb_remove()

When the remove() function is called, we know that the probe() function has
successfully been executed. So 'info' is known to be not NULL.

Simplify the code accordingly.

Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
Change in v2:
  - new patch
---
 drivers/video/fbdev/uvesafb.c | 28 +++++++++++++---------------
 1 file changed, 13 insertions(+), 15 deletions(-)

diff --git a/drivers/video/fbdev/uvesafb.c b/drivers/video/fbdev/uvesafb.c
index 0e3cabbec4b4..2bb95c35ab2a 100644
--- a/drivers/video/fbdev/uvesafb.c
+++ b/drivers/video/fbdev/uvesafb.c
@@ -1777,25 +1777,23 @@ static int uvesafb_probe(struct platform_device *dev)
 static int uvesafb_remove(struct platform_device *dev)
 {
 	struct fb_info *info = platform_get_drvdata(dev);
+	struct uvesafb_par *par = info->par;
 
-	if (info) {
-		struct uvesafb_par *par = info->par;
+	sysfs_remove_group(&dev->dev.kobj, &uvesafb_dev_attgrp);
+	unregister_framebuffer(info);
+	release_region(0x3c0, 32);
+	iounmap(info->screen_base);
+	arch_phys_wc_del(par->mtrr_handle);
+	release_mem_region(info->fix.smem_start, info->fix.smem_len);
+	fb_destroy_modedb(info->monspecs.modedb);
+	fb_dealloc_cmap(&info->cmap);
 
-		sysfs_remove_group(&dev->dev.kobj, &uvesafb_dev_attgrp);
-		unregister_framebuffer(info);
-		release_region(0x3c0, 32);
-		iounmap(info->screen_base);
-		arch_phys_wc_del(par->mtrr_handle);
-		release_mem_region(info->fix.smem_start, info->fix.smem_len);
-		fb_destroy_modedb(info->monspecs.modedb);
-		fb_dealloc_cmap(&info->cmap);
+	kfree(par->vbe_modes);
+	kfree(par->vbe_state_orig);
+	kfree(par->vbe_state_saved);
 
-		kfree(par->vbe_modes);
-		kfree(par->vbe_state_orig);
-		kfree(par->vbe_state_saved);
+	framebuffer_release(info);
 
-		framebuffer_release(info);
-	}
 	return 0;
 }
 
-- 
2.34.1