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usb: misc: adutux: use swap()

Use swap() in order to make code cleaner. Issue found by coccinelle.

Signed-off-by: Salah Triki <salah.triki@gmail.com>
Link: https://lore.kernel.org/r/20210803005343.GA1578854@pc
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

authored by

Salah Triki and committed by
Greg Kroah-Hartman e21dd90e 90059e93

+1 -4
+1 -4
drivers/usb/misc/adutux.c
··· 394 394 spin_lock_irqsave (&dev->buflock, flags); 395 395 if (dev->read_buffer_length) { 396 396 /* we secure access to the primary */ 397 - char *tmp; 398 397 dev_dbg(&dev->udev->dev, 399 398 "%s : swap, read_buffer_length = %d\n", 400 399 __func__, dev->read_buffer_length); 401 - tmp = dev->read_buffer_secondary; 402 - dev->read_buffer_secondary = dev->read_buffer_primary; 403 - dev->read_buffer_primary = tmp; 400 + swap(dev->read_buffer_primary, dev->read_buffer_secondary); 404 401 dev->secondary_head = 0; 405 402 dev->secondary_tail = dev->read_buffer_length; 406 403 dev->read_buffer_length = 0;