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path: root/drivers/tty/vt/vt_ioctl.c
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Diffstat (limited to 'drivers/tty/vt/vt_ioctl.c')
-rw-r--r--drivers/tty/vt/vt_ioctl.c60
1 files changed, 30 insertions, 30 deletions
diff --git a/drivers/tty/vt/vt_ioctl.c b/drivers/tty/vt/vt_ioctl.c
index 6b68a0fb4611..1235ebda6e1c 100644
--- a/drivers/tty/vt/vt_ioctl.c
+++ b/drivers/tty/vt/vt_ioctl.c
@@ -649,12 +649,12 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
649 /* 649 /*
650 * explicitly blank/unblank the screen if switching modes 650 * explicitly blank/unblank the screen if switching modes
651 */ 651 */
652 acquire_console_sem(); 652 console_lock();
653 if (arg == KD_TEXT) 653 if (arg == KD_TEXT)
654 do_unblank_screen(1); 654 do_unblank_screen(1);
655 else 655 else
656 do_blank_screen(1); 656 do_blank_screen(1);
657 release_console_sem(); 657 console_unlock();
658 break; 658 break;
659 659
660 case KDGETMODE: 660 case KDGETMODE:
@@ -893,7 +893,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
893 ret = -EINVAL; 893 ret = -EINVAL;
894 goto out; 894 goto out;
895 } 895 }
896 acquire_console_sem(); 896 console_lock();
897 vc->vt_mode = tmp; 897 vc->vt_mode = tmp;
898 /* the frsig is ignored, so we set it to 0 */ 898 /* the frsig is ignored, so we set it to 0 */
899 vc->vt_mode.frsig = 0; 899 vc->vt_mode.frsig = 0;
@@ -901,7 +901,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
901 vc->vt_pid = get_pid(task_pid(current)); 901 vc->vt_pid = get_pid(task_pid(current));
902 /* no switch is required -- saw@shade.msu.ru */ 902 /* no switch is required -- saw@shade.msu.ru */
903 vc->vt_newvt = -1; 903 vc->vt_newvt = -1;
904 release_console_sem(); 904 console_unlock();
905 break; 905 break;
906 } 906 }
907 907
@@ -910,9 +910,9 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
910 struct vt_mode tmp; 910 struct vt_mode tmp;
911 int rc; 911 int rc;
912 912
913 acquire_console_sem(); 913 console_lock();
914 memcpy(&tmp, &vc->vt_mode, sizeof(struct vt_mode)); 914 memcpy(&tmp, &vc->vt_mode, sizeof(struct vt_mode));
915 release_console_sem(); 915 console_unlock();
916 916
917 rc = copy_to_user(up, &tmp, sizeof(struct vt_mode)); 917 rc = copy_to_user(up, &tmp, sizeof(struct vt_mode));
918 if (rc) 918 if (rc)
@@ -965,9 +965,9 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
965 ret = -ENXIO; 965 ret = -ENXIO;
966 else { 966 else {
967 arg--; 967 arg--;
968 acquire_console_sem(); 968 console_lock();
969 ret = vc_allocate(arg); 969 ret = vc_allocate(arg);
970 release_console_sem(); 970 console_unlock();
971 if (ret) 971 if (ret)
972 break; 972 break;
973 set_console(arg); 973 set_console(arg);
@@ -990,7 +990,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
990 ret = -ENXIO; 990 ret = -ENXIO;
991 else { 991 else {
992 vsa.console--; 992 vsa.console--;
993 acquire_console_sem(); 993 console_lock();
994 ret = vc_allocate(vsa.console); 994 ret = vc_allocate(vsa.console);
995 if (ret == 0) { 995 if (ret == 0) {
996 struct vc_data *nvc; 996 struct vc_data *nvc;
@@ -1003,7 +1003,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
1003 put_pid(nvc->vt_pid); 1003 put_pid(nvc->vt_pid);
1004 nvc->vt_pid = get_pid(task_pid(current)); 1004 nvc->vt_pid = get_pid(task_pid(current));
1005 } 1005 }
1006 release_console_sem(); 1006 console_unlock();
1007 if (ret) 1007 if (ret)
1008 break; 1008 break;
1009 /* Commence switch and lock */ 1009 /* Commence switch and lock */
@@ -1044,7 +1044,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
1044 /* 1044 /*
1045 * Switching-from response 1045 * Switching-from response
1046 */ 1046 */
1047 acquire_console_sem(); 1047 console_lock();
1048 if (vc->vt_newvt >= 0) { 1048 if (vc->vt_newvt >= 0) {
1049 if (arg == 0) 1049 if (arg == 0)
1050 /* 1050 /*
@@ -1063,7 +1063,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
1063 vc->vt_newvt = -1; 1063 vc->vt_newvt = -1;
1064 ret = vc_allocate(newvt); 1064 ret = vc_allocate(newvt);
1065 if (ret) { 1065 if (ret) {
1066 release_console_sem(); 1066 console_unlock();
1067 break; 1067 break;
1068 } 1068 }
1069 /* 1069 /*
@@ -1083,7 +1083,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
1083 if (arg != VT_ACKACQ) 1083 if (arg != VT_ACKACQ)
1084 ret = -EINVAL; 1084 ret = -EINVAL;
1085 } 1085 }
1086 release_console_sem(); 1086 console_unlock();
1087 break; 1087 break;
1088 1088
1089 /* 1089 /*
@@ -1096,20 +1096,20 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
1096 } 1096 }
1097 if (arg == 0) { 1097 if (arg == 0) {
1098 /* deallocate all unused consoles, but leave 0 */ 1098 /* deallocate all unused consoles, but leave 0 */
1099 acquire_console_sem(); 1099 console_lock();
1100 for (i=1; i<MAX_NR_CONSOLES; i++) 1100 for (i=1; i<MAX_NR_CONSOLES; i++)
1101 if (! VT_BUSY(i)) 1101 if (! VT_BUSY(i))
1102 vc_deallocate(i); 1102 vc_deallocate(i);
1103 release_console_sem(); 1103 console_unlock();
1104 } else { 1104 } else {
1105 /* deallocate a single console, if possible */ 1105 /* deallocate a single console, if possible */
1106 arg--; 1106 arg--;
1107 if (VT_BUSY(arg)) 1107 if (VT_BUSY(arg))
1108 ret = -EBUSY; 1108 ret = -EBUSY;
1109 else if (arg) { /* leave 0 */ 1109 else if (arg) { /* leave 0 */
1110 acquire_console_sem(); 1110 console_lock();
1111 vc_deallocate(arg); 1111 vc_deallocate(arg);
1112 release_console_sem(); 1112 console_unlock();
1113 } 1113 }
1114 } 1114 }
1115 break; 1115 break;
@@ -1126,7 +1126,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
1126 get_user(cc, &vtsizes->v_cols)) 1126 get_user(cc, &vtsizes->v_cols))
1127 ret = -EFAULT; 1127 ret = -EFAULT;
1128 else { 1128 else {
1129 acquire_console_sem(); 1129 console_lock();
1130 for (i = 0; i < MAX_NR_CONSOLES; i++) { 1130 for (i = 0; i < MAX_NR_CONSOLES; i++) {
1131 vc = vc_cons[i].d; 1131 vc = vc_cons[i].d;
1132 1132
@@ -1135,7 +1135,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
1135 vc_resize(vc_cons[i].d, cc, ll); 1135 vc_resize(vc_cons[i].d, cc, ll);
1136 } 1136 }
1137 } 1137 }
1138 release_console_sem(); 1138 console_unlock();
1139 } 1139 }
1140 break; 1140 break;
1141 } 1141 }
@@ -1187,14 +1187,14 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
1187 for (i = 0; i < MAX_NR_CONSOLES; i++) { 1187 for (i = 0; i < MAX_NR_CONSOLES; i++) {
1188 if (!vc_cons[i].d) 1188 if (!vc_cons[i].d)
1189 continue; 1189 continue;
1190 acquire_console_sem(); 1190 console_lock();
1191 if (vlin) 1191 if (vlin)
1192 vc_cons[i].d->vc_scan_lines = vlin; 1192 vc_cons[i].d->vc_scan_lines = vlin;
1193 if (clin) 1193 if (clin)
1194 vc_cons[i].d->vc_font.height = clin; 1194 vc_cons[i].d->vc_font.height = clin;
1195 vc_cons[i].d->vc_resize_user = 1; 1195 vc_cons[i].d->vc_resize_user = 1;
1196 vc_resize(vc_cons[i].d, cc, ll); 1196 vc_resize(vc_cons[i].d, cc, ll);
1197 release_console_sem(); 1197 console_unlock();
1198 } 1198 }
1199 break; 1199 break;
1200 } 1200 }
@@ -1367,7 +1367,7 @@ void vc_SAK(struct work_struct *work)
1367 struct vc_data *vc; 1367 struct vc_data *vc;
1368 struct tty_struct *tty; 1368 struct tty_struct *tty;
1369 1369
1370 acquire_console_sem(); 1370 console_lock();
1371 vc = vc_con->d; 1371 vc = vc_con->d;
1372 if (vc) { 1372 if (vc) {
1373 tty = vc->port.tty; 1373 tty = vc->port.tty;
@@ -1379,7 +1379,7 @@ void vc_SAK(struct work_struct *work)
1379 __do_SAK(tty); 1379 __do_SAK(tty);
1380 reset_vc(vc); 1380 reset_vc(vc);
1381 } 1381 }
1382 release_console_sem(); 1382 console_unlock();
1383} 1383}
1384 1384
1385#ifdef CONFIG_COMPAT 1385#ifdef CONFIG_COMPAT
@@ -1737,10 +1737,10 @@ int vt_move_to_console(unsigned int vt, int alloc)
1737{ 1737{
1738 int prev; 1738 int prev;
1739 1739
1740 acquire_console_sem(); 1740 console_lock();
1741 /* Graphics mode - up to X */ 1741 /* Graphics mode - up to X */
1742 if (disable_vt_switch) { 1742 if (disable_vt_switch) {
1743 release_console_sem(); 1743 console_unlock();
1744 return 0; 1744 return 0;
1745 } 1745 }
1746 prev = fg_console; 1746 prev = fg_console;
@@ -1748,7 +1748,7 @@ int vt_move_to_console(unsigned int vt, int alloc)
1748 if (alloc && vc_allocate(vt)) { 1748 if (alloc && vc_allocate(vt)) {
1749 /* we can't have a free VC for now. Too bad, 1749 /* we can't have a free VC for now. Too bad,
1750 * we don't want to mess the screen for now. */ 1750 * we don't want to mess the screen for now. */
1751 release_console_sem(); 1751 console_unlock();
1752 return -ENOSPC; 1752 return -ENOSPC;
1753 } 1753 }
1754 1754
@@ -1758,10 +1758,10 @@ int vt_move_to_console(unsigned int vt, int alloc)
1758 * Let the calling function know so it can decide 1758 * Let the calling function know so it can decide
1759 * what to do. 1759 * what to do.
1760 */ 1760 */
1761 release_console_sem(); 1761 console_unlock();
1762 return -EIO; 1762 return -EIO;
1763 } 1763 }
1764 release_console_sem(); 1764 console_unlock();
1765 tty_lock(); 1765 tty_lock();
1766 if (vt_waitactive(vt + 1)) { 1766 if (vt_waitactive(vt + 1)) {
1767 pr_debug("Suspend: Can't switch VCs."); 1767 pr_debug("Suspend: Can't switch VCs.");
@@ -1781,8 +1781,8 @@ int vt_move_to_console(unsigned int vt, int alloc)
1781 */ 1781 */
1782void pm_set_vt_switch(int do_switch) 1782void pm_set_vt_switch(int do_switch)
1783{ 1783{
1784 acquire_console_sem(); 1784 console_lock();
1785 disable_vt_switch = !do_switch; 1785 disable_vt_switch = !do_switch;
1786 release_console_sem(); 1786 console_unlock();
1787} 1787}
1788EXPORT_SYMBOL(pm_set_vt_switch); 1788EXPORT_SYMBOL(pm_set_vt_switch);