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Jiri Kosina authored
patch acd2a847 in mainline. USB: usbserial - fix potential deadlock between write() and IRQ usb_serial_generic_write() doesn't disable interrupts when taking port->lock, and could therefore deadlock with usb_serial_generic_read_bulk_callback() being called from interrupt, taking the same lock. Fix it. Signed-off-by: Jiri Kosina <jkosina@suse.cz> Acked-by: Larry Finger <larry.finger@lwfinger.net> Cc: Marcin Slusarz <marcin.slusarz@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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