git: 7c55c8c7ff72 - stable/12 - ums(4): Start USB xfers on opening of evdev node unconditionally.

[Vladimir Kondratyev]

The branch stable/12 has been updated by wulf:

URL: https://cgit.FreeBSD.org/src/commit/?id=7c55c8c7ff7259bc40d2df7b07865bb800aba49f

commit 7c55c8c7ff7259bc40d2df7b07865bb800aba49f
Author:     Vladimir Kondratyev <wulf at FreeBSD.org>
AuthorDate: 2021-05-23 22:41:17 +0000
Commit:     Vladimir Kondratyev <wulf at FreeBSD.org>
CommitDate: 2021-06-13 22:05:21 +0000

    ums(4): Start USB xfers on opening of evdev node unconditionally.
    
    This fixes inability to start USB xfers in a case when FIFO has been
    already open()-ed but no read() or poll() calls has been issued yet.
    
    Differential revision:  https://reviews.freebsd.org/D30343
    
    (cherry picked from commit 47791339f0cfe3282a6f64b5607047f7bca968ad)
---
 sys/dev/usb/input/ums.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/dev/usb/input/ums.c b/sys/dev/usb/input/ums.c
index 40b7a8aed774..cd5cc905f1b5 100644
--- a/sys/dev/usb/input/ums.c
+++ b/sys/dev/usb/input/ums.c
@@ -959,8 +959,8 @@ ums_ev_open(struct evdev_dev *evdev)
 
 	if (sc->sc_fflags == 0) {
 		ums_reset(sc);
-		ums_start_rx(sc);
 	}
+	ums_start_rx(sc);
 
 	return (0);
 }