serial: 8250: Prevent concurrent updates to shadow registers
The port shadow registers, ->fcr and ->mcr, must be protected from concurrent updates. Relocate the shadow register updates in serial8250_do_set_termios() to the port lock critical section. Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Showing
Please register or sign in to comment