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authorJoel Stanley <joel@jms.id.au>2020-08-31 03:46:52 +0300
committerJoel Stanley <joel@jms.id.au>2020-08-31 03:46:57 +0300
commit0dd0c8c492fa70707ca4f0d36dcb2e3c64105b16 (patch)
treea420abd8f26264544246602c60d161a7cc4de390 /drivers/video/console/vgacon.c
parent31d8605658d37d9197a989838508481d5dc1d8bc (diff)
parent9ece50d8a470ca7235ffd6ac0f9c5f0f201fe2c8 (diff)
downloadlinux-dev-5.8.tar.xz
Merge tag 'v5.8.5' into dev-5.8dev-5.8
This is the 5.8.5 stable release Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'drivers/video/console/vgacon.c')
-rw-r--r--drivers/video/console/vgacon.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c
index 998b0de1812f..e9254b3085a3 100644
--- a/drivers/video/console/vgacon.c
+++ b/drivers/video/console/vgacon.c
@@ -251,6 +251,10 @@ static void vgacon_scrollback_update(struct vc_data *c, int t, int count)
p = (void *) (c->vc_origin + t * c->vc_size_row);
while (count--) {
+ if ((vgacon_scrollback_cur->tail + c->vc_size_row) >
+ vgacon_scrollback_cur->size)
+ vgacon_scrollback_cur->tail = 0;
+
scr_memcpyw(vgacon_scrollback_cur->data +
vgacon_scrollback_cur->tail,
p, c->vc_size_row);