Unverified Commit a5e505d0 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
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!2566 [sync] PR-2557: Bluetooth: hci_ldisc: check HCI_UART_PROTO_READY flag in HCIUARTGETPROTO 

Merge Pull Request from: @openeuler-sync-bot 
 

Origin pull request: 
https://gitee.com/openeuler/kernel/pulls/2557 
 
PR sync from: Wang Yufen <wangyufen@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/DL6FRJ4FA4JFRKO74RQFMIF4QRYLTDX3/ 
 
https://gitee.com/src-openeuler/kernel/issues/I6YOAU 
 
Link:https://gitee.com/openeuler/kernel/pulls/2566

 

Reviewed-by: default avatarYue Haibing <yuehaibing@huawei.com>
Signed-off-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
parents afb677c4 e99bf527

drivers/bluetooth/hci_ldisc.c

+2 −1
Original line number Diff line number Diff line
@@ -765,7 +765,8 @@ static int hci_uart_tty_ioctl(struct tty_struct *tty, struct file *file, 
		break;



	case HCIUARTGETPROTO:

		if (test_bit(HCI_UART_PROTO_SET, &hu->flags))

		if (test_bit(HCI_UART_PROTO_SET, &hu->flags) &&

		    test_bit(HCI_UART_PROTO_READY, &hu->flags))

			err = hu->proto->id;

		else

			err = -EUNATCH;