USB: ehci-dbg.c: no need for checking it before call vfree

vfree() does it's own NULL checking,so no need for check before
calling it.

Signed-off-by: Figo.zhang <figo1802@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/host/ehci-dbg.c b/drivers/usb/host/ehci-dbg.c
index 7f4ace73d44aee2da8e9484be8f103d8ec1e9bea..1104caa0803b07fb77825afd5eb58527896f77a1 100644 (file)
--- a/drivers/usb/host/ehci-dbg.c
+++ b/drivers/usb/host/ehci-dbg.c
@@ -879,8 +879,7 @@ static int debug_close(struct inode *inode, struct file *file)
        struct debug_buffer *buf = file->private_data;
 
        if (buf) {
-               if (buf->output_buf)
-                       vfree(buf->output_buf);
+               vfree(buf->output_buf);
                kfree(buf);
        }