usb: renesas_usbhs: tidyup usbhs_for_each_dfifo macro
Current usbhs_for_each_dfifo 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 is based on
925403f425a4a9c503f2fc295652647b1eb10d82
(usb: renesas_usbhs: tidyup original usbhsx_for_each_xxx macro)
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/renesas_usbhs/fifo.h b/drivers/usb/renesas_usbhs/fifo.h
index 04d3f8a..c7d9b86 100644
--- a/drivers/usb/renesas_usbhs/fifo.h
+++ b/drivers/usb/renesas_usbhs/fifo.h
@@ -44,10 +44,11 @@
struct usbhs_fifo dfifo[USBHS_MAX_NUM_DFIFO];
};
#define usbhsf_get_dnfifo(p, n) (&((p)->fifo_info.dfifo[n]))
-#define usbhs_for_each_dfifo(priv, dfifo, i) \
- for ((i) = 0, dfifo = usbhsf_get_dnfifo(priv, (i)); \
- ((i) < USBHS_MAX_NUM_DFIFO); \
- (i)++, dfifo = usbhsf_get_dnfifo(priv, (i)))
+#define usbhs_for_each_dfifo(priv, dfifo, i) \
+ for ((i) = 0; \
+ ((i) < USBHS_MAX_NUM_DFIFO) && \
+ ((dfifo) = usbhsf_get_dnfifo(priv, (i))); \
+ (i)++)
struct usbhs_pkt_handle;
struct usbhs_pkt {