Staging: wlags49_h2: potential NULL dereference

wl_device_dealloc() dereferences the "dev" paramter, so let's move it
under the check for NULL.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 1 insertions, 2 deletions

diff --git a/drivers/staging/wlags49_h2/wl_cs.c b/drivers/staging/wlags49_h2/wl_cs.c
index 7084f414846e..7c7c77f9c862 100644
--- a/drivers/staging/wlags49_h2/wl_cs.c
+++ b/drivers/staging/wlags49_h2/wl_cs.c
@@ -177,10 +177,9 @@ static void wl_adapter_detach(struct pcmcia_device *link)
         if (dev) {
                 unregister_wlags_sysfs(dev);
                 unregister_netdev(dev);
+                wl_device_dealloc(dev);
         }
 
-        wl_device_dealloc(dev);
-
         DBG_LEAVE(DbgInfo);
 } /* wl_adapter_detach */
 /*============================================================================*/