On Thursday 01 March 2007 4:20 pm, Max Dmitrichenko wrote:
> Hi!
>
> I get following warnings on spar64:
> Kernel unaligned access at TPC[1000c9e4] ehci_hub_control+0x54c/0x68c
> [ehci_hcd]
>
> Despite of the comment in the patched code, the type cast used there
> does make unaligned access. The fix was made as it's done in
> ohci-hub.c.
Strange ... but, ACK.
> --- linux-source-2.6.18/drivers/usb/host/ehci-hub.c 2006-09-20
> 07:42:06.000000000 +0400
> +++ linux-source-2.6.18.patched/drivers/usb/host/ehci-hub.c 2007-03-02
> 03:11:34.000000000 +0300
> @@ -492,8 +492,7 @@ static int ehci_hub_control (
> if (status & ~0xffff) /* only if wPortChange is interesting */
> #endif
> dbg_port (ehci, "GetStatus", wIndex + 1, temp);
> - // we "know" this alignment is good, caller used kmalloc()...
> - *((__le32 *) buf) = cpu_to_le32 (status);
> + put_unaligned(cpu_to_le32 (status), (__le32 *) buf);
> break;
> case SetHubFeature:
> switch (wValue) {
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