diff options
| author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2015-04-14 04:10:04 (GMT) |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2015-04-27 20:48:33 (GMT) |
| commit | 2d9c7f3ca54625f4d740af78f84ee232da3ca937 (patch) | |
| tree | adbdb193146e56bacf4d9aea3e6cd1ff5a1d2e03 /drivers/usb/renesas_usbhs/fifo.h | |
| parent | 87841c887b7b78742d9f8e5da890ed4af21dd978 (diff) | |
| download | linux-2d9c7f3ca54625f4d740af78f84ee232da3ca937.tar.xz | |
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>
Diffstat (limited to 'drivers/usb/renesas_usbhs/fifo.h')
| -rw-r--r-- | drivers/usb/renesas_usbhs/fifo.h | 9 |
1 files changed, 5 insertions, 4 deletions
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_info { 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 { |