USB: count reaches -1, tested 0

With a postfix decrement count will reach -1 rather than 0,
so the warning will not be issued.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c
index 75b69847918e3a35c3a2832188ca0cb87dc6c9cb..033c2846ce5923e05f0805bff889ab45268ea056 100644 (file)
--- a/drivers/usb/host/pci-quirks.c
+++ b/drivers/usb/host/pci-quirks.c
@@ -234,7 +234,7 @@ static void __devinit quirk_usb_disable_ehci(struct pci_dev *pdev)
         */
        hcc_params = readl(base + EHCI_HCC_PARAMS);
        offset = (hcc_params >> 8) & 0xff;
-       while (offset && count--) {
+       while (offset && --count) {
                u32             cap;
                int             msec;