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| author | Alexander Beregalov <a.beregalov@gmail.com> | 2010-01-07 02:17:32 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-01-21 00:24:35 +0100 |
| commit | ae35fe9e8abe828b25053cd3efdc6953fbb710e3 (patch) | |
| tree | df06177ef93f656171606a2caa485138abba06a1 /drivers/usb/host/fhci-hcd.c | |
| parent | USB: Fix duplicate sysfs problem after device reset. (diff) | |
| download | linux-ae35fe9e8abe828b25053cd3efdc6953fbb710e3.tar.xz linux-ae35fe9e8abe828b25053cd3efdc6953fbb710e3.zip | |
USB: FHCI: avoid NULL pointer dereference
Assign fhci only if usb is not NULL.
Signed-off-by: Alexander Beregalov <a.beregalov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/host/fhci-hcd.c')
| -rw-r--r-- | drivers/usb/host/fhci-hcd.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/host/fhci-hcd.c b/drivers/usb/host/fhci-hcd.c index 0951818ef93b..78e7c3cfcb72 100644 --- a/drivers/usb/host/fhci-hcd.c +++ b/drivers/usb/host/fhci-hcd.c @@ -242,9 +242,10 @@ err: static void fhci_usb_free(void *lld) { struct fhci_usb *usb = lld; - struct fhci_hcd *fhci = usb->fhci; + struct fhci_hcd *fhci; if (usb) { + fhci = usb->fhci; fhci_config_transceiver(fhci, FHCI_PORT_POWER_OFF); fhci_ep0_free(usb); kfree(usb->actual_frame); |