firmware class: Deletion of an unnecessary check before the function call "vunmap"

The vunmap() function performes also input parameter validation. Thus the test
around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index 9962744b59aab08a9bf371d2178bc6397f50950f..58470c3953015b7180de159082b154e5eef70256 100644 (file)
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -591,8 +591,7 @@ static int fw_map_pages_buf(struct firmware_buf *buf)
        if (!buf->is_paged_buf)
                return 0;
 
-       if (buf->data)
-               vunmap(buf->data);
+       vunmap(buf->data);
        buf->data = vmap(buf->pages, buf->nr_pages, 0, PAGE_KERNEL_RO);
        if (!buf->data)
                return -ENOMEM;