33 lines
711 B
Diff
33 lines
711 B
Diff
diff --git a/grub-core/lib/crypto.c b/grub-core/lib/crypto.c
|
|
index 010e550..683a8aa 100644
|
|
--- a/grub-core/lib/crypto.c
|
|
+++ b/grub-core/lib/crypto.c
|
|
@@ -470,7 +470,8 @@ grub_password_get (char buf[], unsigned buf_size)
|
|
|
|
if (key == '\b')
|
|
{
|
|
- cur_len--;
|
|
+ if (cur_len)
|
|
+ cur_len--;
|
|
continue;
|
|
}
|
|
|
|
diff --git a/grub-core/normal/auth.c b/grub-core/normal/auth.c
|
|
index c6bd96e..8615c48 100644
|
|
--- a/grub-core/normal/auth.c
|
|
+++ b/grub-core/normal/auth.c
|
|
@@ -174,8 +174,11 @@ grub_username_get (char buf[], unsigned buf_size)
|
|
|
|
if (key == '\b')
|
|
{
|
|
- cur_len--;
|
|
- grub_printf ("\b");
|
|
+ if (cur_len)
|
|
+ {
|
|
+ cur_len--;
|
|
+ grub_printf ("\b");
|
|
+ }
|
|
continue;
|
|
}
|
|
|