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>
diff --git a/include/linux/usb/ch9.h b/include/linux/usb/ch9.h
index ab46194..34316ba 100644
--- a/include/linux/usb/ch9.h
+++ b/include/linux/usb/ch9.h
@@ -584,7 +584,7 @@
#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))
/*-------------------------------------------------------------------------*/