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Commit 9600dcf1 authored by Bartlomiej Zolnierkiewicz's avatar Bartlomiej Zolnierkiewicz
Browse files

ide: make "paranoia" ->handler check in ide_intr() more strict 



If ->handler is set while it shouldn't be it indicates deep problems
so BUG_ON()-ning and preventing further damage is much more appropriate
than merely printing an error message.

Signed-off-by: default avatarBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
parent d6251d44

drivers/ide/ide-io.c

+3 −6
Original line number Diff line number Diff line
@@ -1159,12 +1159,9 @@ irqreturn_t ide_intr (int irq, void *dev_id) 
	 * won't allow another of the same (on any CPU) until we return.

	 */

	if (startstop == ide_stopped) {

		if (hwif->handler == NULL) {	/* paranoia */

		BUG_ON(hwif->handler);

		ide_unlock_port(hwif);

		plug_device = 1;

		} else

			printk(KERN_ERR "%s: %s: huh? expected NULL handler "

					"on exit\n", __func__, drive->name);

	}

out_handled:

	irq_ret = IRQ_HANDLED;