xiaomi-sm8450/android_kernel_xiaomi_sm8450
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USB: Eliminate urb->status usage!

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This patch (as979) removes the last vestiges of urb->status from the
host controller drivers and the root-hub emulator.  Now the field
doesn't get set until just before the URB's completion routine is
called.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
CC: David Brownell <david-b@pacbell.net>
CC: Olav Kongas <ok@artecdesign.ee>
CC: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
CC: Tony Olech <tony.olech@elandigitalsystems.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Alan Stern
2007-08-24 15:42:24 -04:00
committed by Greg Kroah-Hartman
parent 9347d51c52
commit 4a00027dcb
11 changed files with 46 additions and 77 deletions
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3
drivers/usb/host/ehci-q.c
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@@ -256,8 +256,7 @@ __acquires(ehci->lock)
/* complete() can reenter this HCD */
usb_hcd_unlink_urb_from_ep(ehci_to_hcd(ehci), urb);
spin_unlock (&ehci->lock);
urb->status = status;
usb_hcd_giveback_urb (ehci_to_hcd(ehci), urb);
usb_hcd_giveback_urb(ehci_to_hcd(ehci), urb, status);
spin_lock (&ehci->lock);
}