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Subject[PATCH 1/1 linux-next] cdc-acm: use swap() in acm_probe()
Date
Use kernel.h macro definition.

Signed-off-by: Fabian Frederick <fabf@skynet.be>
---
drivers/usb/class/cdc-acm.c | 10 ++--------
1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 5c8f581..8d045be 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1267,12 +1267,9 @@ skip_normal_probe:
!= CDC_DATA_INTERFACE_TYPE) {
if (control_interface->cur_altsetting->desc.bInterfaceClass
== CDC_DATA_INTERFACE_TYPE) {
- struct usb_interface *t;
dev_dbg(&intf->dev,
"Your device has switched interfaces.\n");
- t = control_interface;
- control_interface = data_interface;
- data_interface = t;
+ swap(control_interface, data_interface);
} else {
return -EINVAL;
}
@@ -1301,12 +1298,9 @@ skip_normal_probe:
/* workaround for switched endpoints */
if (!usb_endpoint_dir_in(epread)) {
/* descriptors are swapped */
- struct usb_endpoint_descriptor *t;
dev_dbg(&intf->dev,
"The data interface has switched endpoints\n");
- t = epread;
- epread = epwrite;
- epwrite = t;
+ swap(epread, epwrite);
}
made_compressed_probe:
dev_dbg(&intf->dev, "interfaces are valid\n");
--
2.4.0


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