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usb: r8a66597-hcd: fix wrong data access in SuperH on-chip USB

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

Signed-off-by: Yoshihiro Shimoda <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Yoshihiro Shimoda 2008-11-11 16:47:21 +09:00 • committed by Greg Kroah-Hartman
commit 5863964608
1 changed files with 3 additions and 2 deletions
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5
drivers/usb/host/r8a66597-hcd.c
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@ -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);
}