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authorJiri Slaby <jslaby@suse.cz>2016-06-23 13:34:23 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-06-25 09:04:48 -0700
commit1b0ec88ac1cb0413a717bc3cefea72d6f2533672 (patch)
tree96d1b2f774f5575b7de57b6a8efebfa63d9f27a1
parent17b2720b114cc95b2b7c8c0f5cfa20e44e1f5912 (diff)
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vt: remove lines parameter from scrollback
It is always called with 0, so remove the parameter and pass the default down to scrolldelta without checking. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/tty/vt/keyboard.c2
-rw-r--r--drivers/tty/vt/vt.c6
-rw-r--r--include/linux/vt_kern.h2
3 files changed, 4 insertions, 6 deletions
diff --git a/drivers/tty/vt/keyboard.c b/drivers/tty/vt/keyboard.c
index f973bfce5d08..cd08c103eb47 100644
--- a/drivers/tty/vt/keyboard.c
+++ b/drivers/tty/vt/keyboard.c
@@ -579,7 +579,7 @@ static void fn_scroll_forw(struct vc_data *vc)
static void fn_scroll_back(struct vc_data *vc)
{
- scrollback(vc, 0);
+ scrollback(vc);
}
static void fn_show_mem(struct vc_data *vc)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index dc125322f48f..abc79ae19079 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -1102,11 +1102,9 @@ static void gotoxay(struct vc_data *vc, int new_x, int new_y)
gotoxy(vc, new_x, vc->vc_decom ? (vc->vc_top + new_y) : new_y);
}
-void scrollback(struct vc_data *vc, int lines)
+void scrollback(struct vc_data *vc)
{
- if (!lines)
- lines = vc->vc_rows / 2;
- scrolldelta(-lines);
+ scrolldelta(-(vc->vc_rows / 2));
}
void scrollfront(struct vc_data *vc, int lines)
diff --git a/include/linux/vt_kern.h b/include/linux/vt_kern.h
index 8d7634247fb4..160f81fe3eb8 100644
--- a/include/linux/vt_kern.h
+++ b/include/linux/vt_kern.h
@@ -45,7 +45,7 @@ void poke_blanked_console(void);
int con_font_op(struct vc_data *vc, struct console_font_op *op);
int con_set_cmap(unsigned char __user *cmap);
int con_get_cmap(unsigned char __user *cmap);
-void scrollback(struct vc_data *vc, int lines);
+void scrollback(struct vc_data *vc);
void scrollfront(struct vc_data *vc, int lines);
void clear_buffer_attributes(struct vc_data *vc);
void update_region(struct vc_data *vc, unsigned long start, int count);