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Commit 58639646 authored by Yoshihiro Shimoda's avatar Yoshihiro Shimoda Committed by Greg Kroah-Hartman
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usb: r8a66597-hcd: fix wrong data access in SuperH on-chip USB 



When I used SuperH on-chip USB, there was the problem that accessed
r8a66597_root_hub which was not allocated.

Signed-off-by: default avatarYoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent d73b7aff

drivers/usb/host/r8a66597-hcd.c

+3 −2
Original line number Diff line number Diff line
@@ -1763,11 +1763,12 @@ static void r8a66597_timer(unsigned long _r8a66597) 
{

	struct r8a66597 *r8a66597 = (struct r8a66597 *)_r8a66597;

	unsigned long flags;

	int port;



	spin_lock_irqsave(&r8a66597->lock, flags);



	r8a66597_root_hub_control(r8a66597, 0);

	r8a66597_root_hub_control(r8a66597, 1);

	for (port = 0; port < R8A66597_MAX_ROOT_HUB; port++)

		r8a66597_root_hub_control(r8a66597, port);



	spin_unlock_irqrestore(&r8a66597->lock, flags);

}