Re: [PATCH 1/1] [usb/host]: use get/put_unaligned_* helpers to fixmore potential unaligned issues.

From: Jie Zhang
Date: Thu May 15 2008 - 04:03:59 EST


Oliver Neukum wrote:
Am Donnerstag 15 Mai 2008 08:19:24 schrieb Bryan Wu:
--- a/drivers/usb/host/uhci-hub.c
+++ b/drivers/usb/host/uhci-hub.c
@@ -253,7 +253,7 @@ static int uhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
switch (typeReq) {
case GetHubStatus:
- *(__le32 *)buf = cpu_to_le32(0);
+ put_unaligned_le32(0, buf);

What is supposed to make all these changes a good idea?

Since buf might not be 4-byte aligned.


Jie
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