imrcpan/erofs-linux
1
0 Fork 0
mirror of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git synced 2026-11-01 06:46:35 +01:00
Code Issues Packages Projects Releases Wiki Activity

cdc-acm: fix BREAK rx code path adding necessary calls

Browse Source 
Counting break events is nice but we should actually report them to
the tty layer.

Fixes: 5a6a62bdb9 ("cdc-acm: add TIOCMIWAIT")
Signed-off-by: Oliver Neukum <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Cc: stable <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Oliver Neukum authored and Greg Kroah-Hartman committed 2021-03-23 13:25:41 +01:00
1 parent 72035f4954
commit 08dff274ed
1 file changed
+3 -1
Download Patch File Download Diff File Expand all files Collapse all files
drivers/usb/class/cdc-acm.c
+3 -1
View File
@@ -313,8 +313,10 @@ static void acm_process_notification(struct acm *acm, unsigned char *buf)
acm->iocount.dsr++;
if (difference & ACM_CTRL_DCD)
acm->iocount.dcd++;
if (newctrl & ACM_CTRL_BRK)
if (newctrl & ACM_CTRL_BRK) {
acm->iocount.brk++;
tty_insert_flip_char(&acm->port, 0, TTY_BREAK);
}
if (newctrl & ACM_CTRL_RI)
acm->iocount.rng++;
if (newctrl & ACM_CTRL_FRAMING)