[PATCH 4/5] staging: comedi: comedi_fops: remove BUG_ON() in comedi_cleanup()

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The BUG_ON() checks in this function are not necessary.

comedi_cleanup_board_minors() clears all the entries in the
comedi_board_minor_table array and will call comedi_device_cleanup()
for all attached devices. comedi_device_cleanup() will then
clear the entries in the comedi_subdevice_minor_table array with
comedi_free_subdevice_minor().

Remove the BUG_ON(), drivers should not crash the kernel.

Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>
Cc: Ian Abbott <abbotti@xxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/staging/comedi/comedi_fops.c | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c
index dbca28f..f4dc7a3 100644
--- a/drivers/staging/comedi/comedi_fops.c
+++ b/drivers/staging/comedi/comedi_fops.c
@@ -2926,14 +2926,7 @@ module_init(comedi_init);
 
 static void __exit comedi_cleanup(void)
 {
-	int i;
-
 	comedi_cleanup_board_minors();
-	for (i = 0; i < COMEDI_NUM_BOARD_MINORS; ++i)
-		BUG_ON(comedi_board_minor_table[i]);
-	for (i = 0; i < COMEDI_NUM_SUBDEVICE_MINORS; ++i)
-		BUG_ON(comedi_subdevice_minor_table[i]);
-
 	class_destroy(comedi_class);
 	cdev_del(&comedi_cdev);
 	unregister_chrdev_region(MKDEV(COMEDI_MAJOR, 0), COMEDI_NUM_MINORS);
-- 
2.4.3

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