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83d94cdf69
freebsd-dev/sys/dev/syscons
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Dima Dorfman 83d94cdf69 In the VIRTUAL_TTY macro, add a check to make sure that the result of 
SC_DEV isn't NULL; if it is, evaluate to NULL and don't dereference
NULL.  Callers of VIRTUAL_TTY must already check for the result being
NULL since si_tty can be NULL, so this should be safe.

This fixes a panic when trying to switch to a different vty in an
environment such as userconfig (-c option to the kernel).

PR:		26508
2001-05-27 00:57:25 +00:00
..
apm Added necessary include for pc98. 2001-01-25 09:56:04 +00:00
blank $Id$ -> $FreeBSD$ 1999-08-28 01:08:13 +00:00
daemon Fixed warnings. 2001-02-21 11:28:02 +00:00
fade $Id$ -> $FreeBSD$ 1999-08-28 01:08:13 +00:00
fire Remove unneeded header. 2000-06-25 09:39:11 +00:00
green $Id$ -> $FreeBSD$ 1999-08-28 01:08:13 +00:00
logo Add $FreeBSD$ 2000-05-01 20:32:07 +00:00
rain Remove unneeded header. 2000-06-25 09:39:11 +00:00
snake Fixed warnings. 2001-02-21 11:28:02 +00:00
star Fixed warnings. 2001-02-21 11:28:02 +00:00
warp Remove unneeded header. 2000-06-25 09:39:11 +00:00
scgfbrndr.c Initiate deorbit burn sequence for <machine/console.h>. 2000-10-08 21:34:00 +00:00
schistory.c Add a CONS_CLRHIST ioctl which instructs syscons to clear the history 2001-05-27 00:45:59 +00:00
scmouse.c Undo part of the tangle of having sys/lock.h and sys/mutex.h included in 2001-05-01 08:13:21 +00:00
scterm-dumb.c Remove unneeded #include <sys/kernel.h> 2000-04-29 15:36:14 +00:00
scterm-sc.c Indent the comment about the Alpha palette evilness correctly. 2001-03-06 20:36:06 +00:00
scterm.c Back out the previous change to the queue(3) interface. 2000-05-26 02:09:24 +00:00
sctermvar.h Fix the TAB not cause scrolling when entered at the end of the last line. 2000-05-29 18:35:13 +00:00
scvesactl.c A couple of negative options was not commented out in NOTES/LINT. This 2000-10-09 07:29:41 +00:00
scvgarndr.c Initiate deorbit burn sequence for <machine/console.h>. 2000-10-08 21:34:00 +00:00
scvidctl.c Initiate deorbit burn sequence for <machine/console.h>. 2000-10-08 21:34:00 +00:00
scvtb.c Initiate deorbit burn sequence for <machine/console.h>. 2000-10-08 21:34:00 +00:00
syscons.c In the VIRTUAL_TTY macro, add a check to make sure that the result of 2001-05-27 00:57:25 +00:00
syscons.h Implement keyboard paste 2001-03-11 22:51:05 +00:00
sysmouse.c Send the remains (such as I have located) of "block major numbers" to 2001-03-26 12:41:29 +00:00