From: Prameela Rani Garnepudi <prameela.j0...@gmail.com>
In functions usb read register and usb write register, dynamic allocation
of 4 bytes is used. This is removed as it is unncessary for local variable
and for such small data.
Signed-off-by: Prameela Rani Garnepudi <prameela.j0...@gmail.com>
Signed-off-by: Amitkumar Karwar <amit.kar...@redpinesignals.com>
---
drivers/net/wireless/rsi/rsi_91x_usb.c | 18 ++++--------------
1 file changed, 4 insertions(+), 14 deletions(-)
diff --git a/drivers/net/wireless/rsi/rsi_91x_usb.c
b/drivers/net/wireless/rsi/rsi_91x_usb.c
index 73b01a8..8eb7407 100644
--- a/drivers/net/wireless/rsi/rsi_91x_usb.c
+++ b/drivers/net/wireless/rsi/rsi_91x_usb.c
@@ -157,12 +157,8 @@ static int rsi_usb_reg_read(struct usb_device *usbdev,
u16 *value,
u16 len)
{
- u8 *buf;
- int status = -ENOMEM;
-
- buf = kmalloc(0x04, GFP_KERNEL);
- if (!buf)
- return status;
+ u8 buf[4];
+ int status;
status = usb_control_msg(usbdev,
usb_rcvctrlpipe(usbdev, 0),
@@ -179,7 +175,6 @@ static int rsi_usb_reg_read(struct usb_device *usbdev,
"%s: Reg read failed with error code :%d\n",
__func__, status);
}
- kfree(buf);
return status;
}
@@ -199,12 +194,8 @@ static int rsi_usb_reg_write(struct usb_device *usbdev,
u16 value,
u16 len)
{
- u8 *usb_reg_buf;
- int status = -ENOMEM;
-
- usb_reg_buf = kmalloc(0x04, GFP_KERNEL);
- if (!usb_reg_buf)
- return status;
+ u8 usb_reg_buf[4];
+ int status;
usb_reg_buf[0] = (value & 0x00ff);
usb_reg_buf[1] = (value & 0xff00) >> 8;
@@ -225,7 +216,6 @@ static int rsi_usb_reg_write(struct usb_device *usbdev,
"%s: Reg write failed with error code :%d\n",
__func__, status);
}
- kfree(usb_reg_buf);
return status;
}
--
2.7.4
