USB: fix unsafe USB_SS_MAX_STREAMS() definition

Macro arguments used in expressions need to be enclosed in parenthesis
to avoid unpleasant surprises.

Signed-off-by: Dmitry Torokhov <dtor@vmware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Dmitry Torokhov 2011-02-23 14:38:20 -08:00 committed by Greg Kroah-Hartman
parent 969e3033ae
commit c9642374d0

View file

@ -584,7 +584,7 @@ struct usb_ss_ep_comp_descriptor {
#define USB_DT_SS_EP_COMP_SIZE 6
/* Bits 4:0 of bmAttributes if this is a bulk endpoint */
#define USB_SS_MAX_STREAMS(p) (1 << (p & 0x1f))
#define USB_SS_MAX_STREAMS(p) (1 << ((p) & 0x1f))
/*-------------------------------------------------------------------------*/