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Commit 5dfd2c8f authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab
Browse files

[media] pctv452e: don't call BUG_ON() on non-fatal error 



There are some conditions on this driver that are tested with
BUG_ON() with are not serious enough to hang a machine.

So, just return an error if this happens.

Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@s-opensource.com>
parent 73d5c5c8

drivers/media/usb/dvb-usb/pctv452e.c

+4 −3
Original line number Diff line number Diff line
@@ -109,9 +109,10 @@ static int tt3650_ci_msg(struct dvb_usb_device *d, u8 cmd, u8 *data, 
	unsigned int rlen;

	int ret;



	BUG_ON(NULL == data && 0 != (write_len | read_len));

	BUG_ON(write_len > 64 - 4);

	BUG_ON(read_len > 64 - 4);

	if (!data || (write_len > 64 - 4) || (read_len > 64 - 4)) {

		err("%s: transfer data invalid", __func__);

		return -EIO;

	};



	mutex_lock(&state->ca_mutex);

	id = state->c++;