staging: greybus: es2: Use kmemdup instead of kmalloc and memcpy

This patch replaces kmalloc and memcpy with kmemdup for duplication of
memory.

Signed-off-by: sayli karnik <karniksayli1995@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/greybus/es2.c b/drivers/staging/greybus/es2.c
index 071bb1cfd3ae1d38c510c19adbf7cdd3d9daa9a7..8eabc713a26db55721e349fad9731760b02c0670 100644 (file)
--- a/drivers/staging/greybus/es2.c
+++ b/drivers/staging/greybus/es2.c
@@ -175,10 +175,9 @@ static int output_sync(struct es2_ap_dev *es2, void *req, u16 size, u8 cmd)
        u8 *data;
        int retval;
 
-       data = kmalloc(size, GFP_KERNEL);
+       data = kmemdup(req, size, GFP_KERNEL);
        if (!data)
                return -ENOMEM;
-       memcpy(data, req, size);
 
        retval = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
                                 cmd,