ChangeSet 1.1832.55.25, 2004/09/05 05:04:18+02:00, [EMAIL PROTECTED]
[PATCH] list_for_each_entry: drivers-usb-core-devices.c
Make code more readable with list_for_each_entry.
Compile tested.
Patch incremental on the list_for_each() change.
Signed-off-by: Domen Puncer <[EMAIL PROTECTED]>
Signed-off-by: Maximilian Attems <[EMAIL PROTECTED]>
Signed-off-by: Greg Kroah-Hartman <[EMAIL PROTECTED]>
drivers/usb/core/devices.c | 8 ++------
1 files changed, 2 insertions(+), 6 deletions(-)
diff -Nru a/drivers/usb/core/devices.c b/drivers/usb/core/devices.c
--- a/drivers/usb/core/devices.c 2004-10-19 08:18:16 -07:00
+++ b/drivers/usb/core/devices.c 2004-10-19 08:18:16 -07:00
@@ -569,7 +569,6 @@
static ssize_t usb_device_read(struct file *file, char __user *buf, size_t nbytes,
loff_t *ppos)
{
- struct list_head *buslist;
struct usb_bus *bus;
ssize_t ret, total_written = 0;
loff_t skip_bytes = *ppos;
@@ -581,12 +580,9 @@
if (!access_ok(VERIFY_WRITE, buf, nbytes))
return -EFAULT;
- /* enumerate busses */
down (&usb_bus_list_lock);
- list_for_each(buslist, &usb_bus_list) {
- /* print devices for this bus */
- bus = list_entry(buslist, struct usb_bus, bus_list);
-
+ /* print devices for all busses */
+ list_for_each_entry(bus, &usb_bus_list, bus_list) {
/* recurse through all children of the root hub */
if (!bus->root_hub)
continue;
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