2017-07-10 03:35:39

by Gustavo A. R. Silva

[permalink] [raw]
Subject: [PATCH] usb: gadget: fusb300_udc: compress return logic into one line

Simplify return logic to avoid unnecessary variable declaration
and assignment.

These issues were detected using Coccinelle and the following
semantic patch:

@@
local idexpression ret;
expression e;
@@

-ret =
+return
e;
-return ret;

Signed-off-by: Gustavo A. R. Silva <[email protected]>
---
drivers/usb/gadget/udc/fusb300_udc.c | 10 ++--------
1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/drivers/usb/gadget/udc/fusb300_udc.c b/drivers/usb/gadget/udc/fusb300_udc.c
index e0c1b00..8738f03 100644
--- a/drivers/usb/gadget/udc/fusb300_udc.c
+++ b/drivers/usb/gadget/udc/fusb300_udc.c
@@ -659,22 +659,16 @@ static void fusb300_rdfifo(struct fusb300_ep *ep,

static u8 fusb300_get_epnstall(struct fusb300 *fusb300, u8 ep)
{
- u8 value;
u32 reg = ioread32(fusb300->reg + FUSB300_OFFSET_EPSET0(ep));

- value = reg & FUSB300_EPSET0_STL;
-
- return value;
+ return reg & FUSB300_EPSET0_STL;
}

static u8 fusb300_get_cxstall(struct fusb300 *fusb300)
{
- u8 value;
u32 reg = ioread32(fusb300->reg + FUSB300_OFFSET_CSR);

- value = (reg & FUSB300_CSR_STL) >> 1;
-
- return value;
+ return (reg & FUSB300_CSR_STL) >> 1;
}

static void request_error(struct fusb300 *fusb300)
--
2.5.0