usb: udc: core: Use lock when write to soft_connect

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commit c28095bc99 upstream.

Use lock to guard against concurrent access for soft-connect/disconnect
operations when writing to soft_connect sysfs.

Fixes: 2ccea03a8f ("usb: gadget: introduce UDC Class")
Cc: stable@vger.kernel.org
Acked-by: Felipe Balbi <balbi@kernel.org>
Signed-off-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/338ea01fbd69b1985ef58f0f59af02c805ddf189.1610611437.git.Thinh.Nguyen@synopsys.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Thinh Nguyen 2021-01-14 00:09:51 -08:00 • committed by Greg Kroah-Hartman

parent 43e2ae5a74

commit 9bbf039671

1 changed files with 10 additions and 3 deletions

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drivers/usb/gadget/udc/core.c

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