[PATCH] video: fbdev: vesafb: add missed release_region

From: Chuhong Yuan
Date: Sat Nov 16 2019 - 10:13:33 EST


This driver calls request_region in probe but forgets to call
release_region in probe failure and remove.
Add the missed calls to fix it.

Signed-off-by: Chuhong Yuan <hslester96@xxxxxxxxx>
---
drivers/video/fbdev/vesafb.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/video/fbdev/vesafb.c b/drivers/video/fbdev/vesafb.c
index d9c08f6c2155..fbb196a8bbf6 100644
--- a/drivers/video/fbdev/vesafb.c
+++ b/drivers/video/fbdev/vesafb.c
@@ -468,6 +468,7 @@ static int vesafb_probe(struct platform_device *dev)
fb_info(info, "%s frame buffer device\n", info->fix.id);
return 0;
err:
+ release_region(0x3c0, 32);
arch_phys_wc_del(par->wc_cookie);
if (info->screen_base)
iounmap(info->screen_base);
@@ -480,6 +481,7 @@ static int vesafb_remove(struct platform_device *pdev)
{
struct fb_info *info = platform_get_drvdata(pdev);

+ release_region(0x3c0, 32);
unregister_framebuffer(info);
framebuffer_release(info);

--
2.24.0