Commit e21dd90e authored by Salah Triki's avatar Salah Triki Committed by Greg Kroah-Hartman
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usb: misc: adutux: use swap() 



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

Signed-off-by: default avatarSalah Triki <salah.triki@gmail.com>
Link: https://lore.kernel.org/r/20210803005343.GA1578854@pc


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 90059e93

drivers/usb/misc/adutux.c

+1 −4
Original line number Diff line number Diff line
@@ -394,13 +394,10 @@ static ssize_t adu_read(struct file *file, __user char *buffer, size_t count, 
			spin_lock_irqsave (&dev->buflock, flags);

			if (dev->read_buffer_length) {

				/* we secure access to the primary */

				char *tmp;

				dev_dbg(&dev->udev->dev,

					"%s : swap, read_buffer_length = %d\n",

					__func__, dev->read_buffer_length);

				tmp = dev->read_buffer_secondary;

				dev->read_buffer_secondary = dev->read_buffer_primary;

				dev->read_buffer_primary = tmp;

				swap(dev->read_buffer_primary, dev->read_buffer_secondary);

				dev->secondary_head = 0;

				dev->secondary_tail = dev->read_buffer_length;

				dev->read_buffer_length = 0;