Use info->screen_buffer when reading and writing framebuffers in system memory. It's the correct pointer for this address space. Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx> --- drivers/video/fbdev/core/fb_sys_fops.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/video/fbdev/core/fb_sys_fops.c b/drivers/video/fbdev/core/fb_sys_fops.c index cefb77b9546d..6589123f4127 100644 --- a/drivers/video/fbdev/core/fb_sys_fops.c +++ b/drivers/video/fbdev/core/fb_sys_fops.c @@ -39,7 +39,7 @@ ssize_t fb_sys_read(struct fb_info *info, char __user *buf, size_t count, if (count + p > total_size) count = total_size - p; - src = (void __force *)(info->screen_base + p); + src = info->screen_buffer + p; if (info->fbops->fb_sync) info->fbops->fb_sync(info); @@ -87,7 +87,7 @@ ssize_t fb_sys_write(struct fb_info *info, const char __user *buf, count = total_size - p; } - dst = (void __force *) (info->screen_base + p); + dst = info->screen_buffer + p; if (info->fbops->fb_sync) info->fbops->fb_sync(info); -- 2.40.0