[PATCH] usb: misc: sisusbvga: compress return logic into one line
From: Gustavo A. R. Silva
Date: Sun Jul 09 2017 - 23:32:26 EST
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 <garsilva@xxxxxxxxxxxxxx>
---
drivers/usb/misc/sisusbvga/sisusb.c | 13 +++----------
1 file changed, 3 insertions(+), 10 deletions(-)
diff --git a/drivers/usb/misc/sisusbvga/sisusb.c b/drivers/usb/misc/sisusbvga/sisusb.c
index 440d7fe..30774e0 100644
--- a/drivers/usb/misc/sisusbvga/sisusb.c
+++ b/drivers/usb/misc/sisusbvga/sisusb.c
@@ -610,13 +610,11 @@ static int sisusb_write_memio_byte(struct sisusb_usb_data *sisusb, int type,
u32 addr, u8 data)
{
struct sisusb_packet packet;
- int ret;
packet.header = (1 << (addr & 3)) | (type << 6);
packet.address = addr & ~3;
packet.data = data << ((addr & 3) << 3);
- ret = sisusb_send_packet(sisusb, 10, &packet);
- return ret;
+ return sisusb_send_packet(sisusb, 10, &packet);
}
static int sisusb_write_memio_word(struct sisusb_usb_data *sisusb, int type,
@@ -1333,13 +1331,11 @@ static int sisusb_write_pci_config(struct sisusb_usb_data *sisusb,
int regnum, u32 data)
{
struct sisusb_packet packet;
- int ret;
packet.header = 0x008f;
packet.address = regnum | 0x10000;
packet.data = data;
- ret = sisusb_send_packet(sisusb, 10, &packet);
- return ret;
+ return sisusb_send_packet(sisusb, 10, &packet);
}
static int sisusb_read_pci_config(struct sisusb_usb_data *sisusb,
@@ -2982,14 +2978,11 @@ static long sisusb_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
static long sisusb_compat_ioctl(struct file *f, unsigned int cmd,
unsigned long arg)
{
- long retval;
-
switch (cmd) {
case SISUSB_GET_CONFIG_SIZE:
case SISUSB_GET_CONFIG:
case SISUSB_COMMAND:
- retval = sisusb_ioctl(f, cmd, arg);
- return retval;
+ return sisusb_ioctl(f, cmd, arg);
default:
return -ENOIOCTLCMD;
--
2.5.0