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authorJiri Kosina <jkosina@suse.cz>2020-12-16 11:41:05 +0100
committerJiri Kosina <jkosina@suse.cz>2020-12-16 11:41:05 +0100
commite77bc7dc9af0ec53996367b2053dfafee83b7edb (patch)
tree7850cb0cc9e0d7308992b2b983052c5f209245bd /drivers/video/fbdev/hyperv_fb.c
parent105856b36c0cefc2fa1c1e649d75da71e2e38c31 (diff)
parent82514ecd61435c2d47c235e1343872b38db17be4 (diff)
downloadlwn-e77bc7dc9af0ec53996367b2053dfafee83b7edb.tar.gz
lwn-e77bc7dc9af0ec53996367b2053dfafee83b7edb.zip
Merge branch 'for-5.11/elecom' into for-linus
- support for EX-G M-XGL20DLBK device, from YOSHIOKA Takuma
Diffstat (limited to 'drivers/video/fbdev/hyperv_fb.c')
-rw-r--r--drivers/video/fbdev/hyperv_fb.c10
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;