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This is a static checker fix.  The "dev" variable is always NULL after
the while statement so we would be dereferencing a NULL pointer here.

Fixes: 819a3eba

 ('[PATCH] applicom: fix error handling')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>