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path: root/drivers/char/vt.c
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Diffstat (limited to 'drivers/char/vt.c')
-rw-r--r--drivers/char/vt.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/char/vt.c b/drivers/char/vt.c
index fa1ffbf2c621..935f1c207a1f 100644
--- a/drivers/char/vt.c
+++ b/drivers/char/vt.c
@@ -434,7 +434,7 @@ static void update_attr(struct vc_data *vc)
434 vc->vc_blink, vc->vc_underline, 434 vc->vc_blink, vc->vc_underline,
435 vc->vc_reverse ^ vc->vc_decscnm, vc->vc_italic); 435 vc->vc_reverse ^ vc->vc_decscnm, vc->vc_italic);
436 vc->vc_video_erase_char = (build_attr(vc, vc->vc_color, 1, vc->vc_blink, 0, vc->vc_decscnm, 0) << 8) | ' '; 436 vc->vc_video_erase_char = (build_attr(vc, vc->vc_color, 1, vc->vc_blink, 0, vc->vc_decscnm, 0) << 8) | ' ';
437 vc->vc_scrl_erase_char = (build_attr(vc, vc->vc_def_color, 1, false, false, false, false) << 8) | ' '; 437 vc->vc_scrl_erase_char = (build_attr(vc, vc->vc_def_color, 1, false, false, vc->vc_decscnm, false) << 8) | ' ';
438} 438}
439 439
440/* Note: inverting the screen twice should revert to the original state */ 440/* Note: inverting the screen twice should revert to the original state */
@@ -909,7 +909,7 @@ int vc_resize(struct vc_data *vc, unsigned int cols, unsigned int lines)
909 909
910 if (vc->vc_tty) { 910 if (vc->vc_tty) {
911 struct winsize ws, *cws = &vc->vc_tty->winsize; 911 struct winsize ws, *cws = &vc->vc_tty->winsize;
912 unsigned long flags; 912 struct pid *pgrp = NULL;
913 913
914 memset(&ws, 0, sizeof(ws)); 914 memset(&ws, 0, sizeof(ws));
915 ws.ws_row = vc->vc_rows; 915 ws.ws_row = vc->vc_rows;
@@ -917,11 +917,14 @@ int vc_resize(struct vc_data *vc, unsigned int cols, unsigned int lines)
917 ws.ws_ypixel = vc->vc_scan_lines; 917 ws.ws_ypixel = vc->vc_scan_lines;
918 918
919 mutex_lock(&vc->vc_tty->termios_mutex); 919 mutex_lock(&vc->vc_tty->termios_mutex);
920 spin_lock_irqsave(&vc->vc_tty->ctrl_lock, flags); 920 spin_lock_irq(&vc->vc_tty->ctrl_lock);
921 if ((ws.ws_row != cws->ws_row || ws.ws_col != cws->ws_col) && 921 if ((ws.ws_row != cws->ws_row || ws.ws_col != cws->ws_col))
922 vc->vc_tty->pgrp) 922 pgrp = get_pid(vc->vc_tty->pgrp);
923 spin_unlock_irq(&vc->vc_tty->ctrl_lock);
924 if (pgrp) {
923 kill_pgrp(vc->vc_tty->pgrp, SIGWINCH, 1); 925 kill_pgrp(vc->vc_tty->pgrp, SIGWINCH, 1);
924 spin_unlock_irqrestore(&vc->vc_tty->ctrl_lock, flags); 926 put_pid(pgrp);
927 }
925 *cws = ws; 928 *cws = ws;
926 mutex_unlock(&vc->vc_tty->termios_mutex); 929 mutex_unlock(&vc->vc_tty->termios_mutex);
927 } 930 }