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USB: usb_serial_resume bug fix 

Avoid potential null pointer dereference.

Signed-off-by: Sarah Sharp <sarah.a.sharp@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Sarah Sharp 2007-10-25 10:58:43 -07:00 committed by Greg Kroah-Hartman
parent da6fb5704f
commit 8abaee238e
1 changed files with 3 additions and 1 deletions
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2
drivers/usb/serial/usb-serial.c
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@ -1123,7 +1123,9 @@ int usb_serial_resume(struct usb_interface *intf)
{
struct usb_serial *serial = usb_get_intfdata(intf);
if (serial->type->resume)
return serial->type->resume(serial);
return 0;
}
EXPORT_SYMBOL(usb_serial_resume);