A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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usb: wusbcore: fix panic in wusbhc_chid_set

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If no valid CHID value has previously been set on an HWA, writing a
value of all zeros will cause a kernel panic in uwb_radio_stop because
wusbhc->uwb_rc has not been set.  This patch skips the call to
uwb_radio_stop if wusbhc->uwb_rc has not been initialized.

Signed-off-by: Thomas Pugliese <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Thomas Pugliese 2014-04-23 14:28:10 -05:00 • committed by Greg Kroah-Hartman
commit bd130adaca
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/wusbcore/mmc.c
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@ -301,7 +301,7 @@ int wusbhc_chid_set(struct wusbhc *wusbhc, const struct wusb_ckhdid *chid)
if (chid)
result = uwb_radio_start(&wusbhc->pal);
else
else if (wusbhc->uwb_rc)
uwb_radio_stop(&wusbhc->pal);
return result;