Author: tsoome
Date: Thu Sep 26 07:19:26 2019
New Revision: 352740
URL: https://svnweb.freebsd.org/changeset/base/352740
Log:
kernel terminal should initialize fg and bg variables before calling
TUNABLE_INT_FETCH
We have two ways to check if kenv variable exists - either we check return
value from TUNABLE_INT_FETCH, or we pre-initialize the variable and check
if this value did change. In terminal_init() it is more convinient to
use pre-initialized variables.
Problem was revealed by older loader.efi, which did not set teken.* variables.
Reported by: tuexen
Modified:
head/sys/kern/subr_terminal.c
Modified: head/sys/kern/subr_terminal.c
==============================================================================
--- head/sys/kern/subr_terminal.c Thu Sep 26 07:14:54 2019
(r352739)
+++ head/sys/kern/subr_terminal.c Thu Sep 26 07:19:26 2019
(r352740)
@@ -175,6 +175,7 @@ terminal_init(struct terminal *tm)
teken_init(&tm->tm_emulator, &terminal_drawmethods, tm);
+ fg = bg = -1;
TUNABLE_INT_FETCH("teken.fg_color", &fg);
TUNABLE_INT_FETCH("teken.bg_color", &bg);
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