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authorAndrew Thompson <thompsa@FreeBSD.org>2009-02-13 23:36:08 +0000
committerAndrew Thompson <thompsa@FreeBSD.org>2009-02-13 23:36:08 +0000
commitfd66bfec7fd12ca0b9930ede8607c460ca77bf5a (patch)
tree3b0332003e3cfc94f9112805c20e7c27d89cfc39 /sys/dev/kbdmux
parent882284ccd1b02f9d06476898bc3763a0ede29831 (diff)
downloadsrc-fd66bfec7fd12ca0b9930ede8607c460ca77bf5a.tar.gz
src-fd66bfec7fd12ca0b9930ede8607c460ca77bf5a.zip
Since r188030 the error value for attach is returned, this means if kbdmux
fails to attach (possibly due to disable hints) then we get called back for unload. Correctly handle the case where the keyboard isnt found rather than calling panic.
Notes
Notes: svn path=/head/; revision=188603
Diffstat (limited to 'sys/dev/kbdmux')
-rw-r--r--sys/dev/kbdmux/kbdmux.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/sys/dev/kbdmux/kbdmux.c b/sys/dev/kbdmux/kbdmux.c
index 7a47683bb371..07b592f12269 100644
--- a/sys/dev/kbdmux/kbdmux.c
+++ b/sys/dev/kbdmux/kbdmux.c
@@ -1346,15 +1346,14 @@ kbdmux_modevent(module_t mod, int type, void *data)
panic("kbd_get_switch(" KEYBOARD_NAME ") == NULL");
kbd = kbd_get_keyboard(kbd_find_keyboard(KEYBOARD_NAME, 0));
- if (kbd == NULL)
- panic("kbd_get_keyboard(kbd_find_keyboard(" KEYBOARD_NAME ", 0)) == NULL");
-
- (*sw->disable)(kbd);
+ if (kbd != NULL) {
+ (*sw->disable)(kbd);
#ifdef KBD_INSTALL_CDEV
- kbd_detach(kbd);
+ kbd_detach(kbd);
#endif
- (*sw->term)(kbd);
- kbd_delete_driver(&kbdmux_kbd_driver);
+ (*sw->term)(kbd);
+ kbd_delete_driver(&kbdmux_kbd_driver);
+ }
error = 0;
break;