Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc

[linux-2.6] / drivers / char / vt_ioctl.c

diff --git a/drivers/char/vt_ioctl.c b/drivers/char/vt_ioctl.c
index 045e6888d15baf60f421251f6ef6c881ec0996a5..7a61a2a9aafe3879dc8a0e443fd7d1379e7e493e 100644 (file)
--- a/drivers/char/vt_ioctl.c
+++ b/drivers/char/vt_ioctl.c
@@ -770,6 +770,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
                /*
                 * Switching-from response
                 */
+               acquire_console_sem();
                if (vc->vt_newvt >= 0) {
                        if (arg == 0)
                                /*
@@ -784,7 +785,6 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
                                 * complete the switch.
                                 */
                                int newvt;
-                               acquire_console_sem();
                                newvt = vc->vt_newvt;
                                vc->vt_newvt = -1;
                                i = vc_allocate(newvt);
@@ -798,7 +798,6 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
                                 * other console switches..
                                 */
                                complete_change_console(vc_cons[newvt].d);
-                               release_console_sem();
                        }
                }
 
@@ -810,9 +809,12 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
                        /*
                         * If it's just an ACK, ignore it
                         */
-                       if (arg != VT_ACKACQ)
+                       if (arg != VT_ACKACQ) {
+                               release_console_sem();
                                return -EINVAL;
+                       }
                }
+               release_console_sem();
 
                return 0;
 
@@ -1030,7 +1032,7 @@ static DECLARE_WAIT_QUEUE_HEAD(vt_activate_queue);
 
 /*
  * Sleeps until a vt is activated, or the task is interrupted. Returns
- * 0 if activation, -EINTR if interrupted.
+ * 0 if activation, -EINTR if interrupted by a signal handler.
  */
 int vt_waitactive(int vt)
 {
@@ -1055,7 +1057,7 @@ int vt_waitactive(int vt)
                        break;
                }
                release_console_sem();
-               retval = -EINTR;
+               retval = -ERESTARTNOHAND;
                if (signal_pending(current))
                        break;
                schedule();