diff options
Diffstat (limited to 'drivers/video/fbdev/hyperv_fb.c')
| -rw-r--r-- | drivers/video/fbdev/hyperv_fb.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/video/fbdev/hyperv_fb.c b/drivers/video/fbdev/hyperv_fb.c index 02411d89cb46..5bc86f481a78 100644 --- a/drivers/video/fbdev/hyperv_fb.c +++ b/drivers/video/fbdev/hyperv_fb.c @@ -47,6 +47,7 @@ #include <linux/module.h> #include <linux/kernel.h> +#include <linux/vmalloc.h> #include <linux/init.h> #include <linux/completion.h> #include <linux/fb.h> @@ -1114,8 +1115,15 @@ static int hvfb_getmem(struct hv_device *hdev, struct fb_info *info) getmem_done: remove_conflicting_framebuffers(info->apertures, KBUILD_MODNAME, false); - if (!gen2vm) + + if (gen2vm) { + /* framebuffer is reallocated, clear screen_info to avoid misuse from kexec */ + screen_info.lfb_size = 0; + screen_info.lfb_base = 0; + screen_info.orig_video_isVGA = 0; + } else { pci_dev_put(pdev); + } kfree(info->apertures); return 0; |