usb: renesas_usbhs: tidyup original usbhsx_for_each_xxx macro
Current usbhsx_for_each_xxx macro will read out-of-array's
memory after last loop operation.
It was not good C language operation, and the binary which was
compiled by (at least) gcc 4.8.1 is broken
This patch tidyup these issues
Reported-by: Yusuke Goda <yusuke.goda.sx@renesas.com>
Reviewed-by: Takashi Yoshii <takashi.yoshii.zj@renesas.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c
index 805940c..3385aeb 100644
--- a/drivers/usb/renesas_usbhs/mod_gadget.c
+++ b/drivers/usb/renesas_usbhs/mod_gadget.c
@@ -77,9 +77,9 @@
struct usbhsg_gpriv, mod)
#define __usbhsg_for_each_uep(start, pos, g, i) \
- for (i = start, pos = (g)->uep + i; \
- i < (g)->uep_size; \
- i++, pos = (g)->uep + i)
+ for ((i) = start; \
+ ((i) < (g)->uep_size) && ((pos) = (g)->uep + (i)); \
+ (i)++)
#define usbhsg_for_each_uep(pos, gpriv, i) \
__usbhsg_for_each_uep(1, pos, gpriv, i)
