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usb: gadget: u_serial: remove some dead code

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There is no need to check if "port" is NULL.  We already verified that it
is non-NULL.  It's a stack variable and can't be modified by a different
thread.  Delete this dead code.

Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Prashanth K <prashanth.k@oss.qualcomm.com>
Link: https://lore.kernel.org/r/685c1413.050a0220.1a8223.d0b9@mx.google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dan Carpenter 2025-06-25 10:21:53 -05:00 committed by Greg Kroah-Hartman
parent 246fef761a
commit e35a5d8145
1 changed files with 0 additions and 6 deletions
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6
drivers/usb/gadget/function/u_serial.c
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@ -1505,13 +1505,7 @@ void gserial_suspend(struct gserial *gser)
spin_unlock_irqrestore(&serial_port_lock, flags);
if (!gserial_wakeup_host(gser))
return;
/* Check if port is valid after acquiring lock back */
spin_lock_irqsave(&serial_port_lock, flags);
if (!port) {
spin_unlock_irqrestore(&serial_port_lock, flags);
return;
}
}
spin_lock(&port->port_lock);