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usb: wusb: don't overflow the Keep Alive IE buffer

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The Keep Alive IE only has space for WUIE_ELT_MAX (== 4) device addresses.

Signed-off-by: David Vrabel <david.vrabel@csr.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
David Vrabel 2010-03-22 14:50:14 +00:00 committed by Greg Kroah-Hartman
parent 18f91196b6
commit a23b64845f
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/wusbcore/devconnect.c
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@ -438,7 +438,7 @@ static void __wusbhc_keep_alive(struct wusbhc *wusbhc)
old_keep_alives = ie->hdr.bLength - sizeof(ie->hdr);
keep_alives = 0;
for (cnt = 0;
keep_alives <= WUIE_ELT_MAX && cnt < wusbhc->ports_max;
keep_alives < WUIE_ELT_MAX && cnt < wusbhc->ports_max;
cnt++) {
unsigned tt = msecs_to_jiffies(wusbhc->trust_timeout);