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USB: cdc-acm: do not log successful probe on later errors

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[ Upstream commit 79579411826647fd573dbe301c4d933bc90e4be7 ]

Do not log the successful-probe message until the tty device has been
registered.

Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20210322155318.9837-9-johan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Stable-dep-of: 64690a90cd7c ("cdc-acm: fix race between initial clearing halt and open")
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Johan Hovold
2025-08-18 19:08:38 -04:00
committed by Greg Kroah-Hartman
parent 3ca41ab55d
commit 70bc2b56c3
1 changed files with 2 additions and 2 deletions
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4
drivers/usb/class/cdc-acm.c
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@@ -1510,8 +1510,6 @@ skip_countries:
acm->nb_index = 0;
acm->nb_size = 0;
dev_info(&intf->dev, "ttyACM%d: USB ACM device\n", minor);
acm->line.dwDTERate = cpu_to_le32(9600);
acm->line.bDataBits = 8;
acm_set_line(acm, &acm->line);
@@ -1531,6 +1529,8 @@ skip_countries:
usb_clear_halt(usb_dev, acm->out);
}
dev_info(&intf->dev, "ttyACM%d: USB ACM device\n", minor);
return 0;
alloc_fail6:
if (!acm->combined_interfaces) {