Messages in this thread Patch in this message | | | From | Alexander Beregalov <> | Subject | [PATCH] USB: FHCI: avoid NULL pointer dereference | Date | Thu, 7 Jan 2010 04:17:32 +0300 |
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Assign fhci only if usb is not NULL.
Signed-off-by: Alexander Beregalov <a.beregalov@gmail.com> --- 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 0951818..78e7c3c 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); -- 1.6.6
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