How to pass a form field to a cfc on submission

I have a form that gets submitted to itself and then calls a cfc in order to do the needed db work.  This cfc then calls another cfc to upload an image file onto the server.   However I am continually getting a fun message from CF saying that "The form field fileLoc did not contain a file. "

I am trying to figure out why the field which does contain a .tmp file fro mupload - does not pass through to the image upload script properly.

The form submits and then the code goes like this....

thanks all

Is form updating ...
<cfif request.BusinessError EQ "" AND isDefined("form.updatebusiness")>
<cfset bus.bus_ID = business.SetBusiness(argumentcollection=form)>
<cfset msg = form.bus_Name & " Updated Successfully.">
</cfif>
This returns the id of the business
SetBusiness cfc looks like this...
<cfquery name="rsInsert" > Do the form field data entry</cfquery>
<!--- upload image here --->
<cfif form.bus_Logo NEQ "">
<cfset img = uploadImage(#bus_ID#,#form.bus_Logo#)></cfif>
You can see here that the file field is getting passed to yet ANOTHER CFC and uploadImage looks like this...
 
<cffunction name="uploadImage" hint="send me the upload file and bus ID and I will insert it.">
		<cfargument name="bus_ID" required="yes" hint="business ID you goof! numeric of course :)">
		<cfargument name="fileLoc" required="yes" hint="send me the file field.">
			
			<!--- Search for existing business folder --->
			<cfdirectory action="list" directory="#request.folderStruct#memberLogos" name="findFolder" filter="#bus_ID#">
				<!-- If no folder exists, create one --->
			<cfif findFolder.recordcount IS 0>
				<cflock name="crDir" timeout="30" type="exclusive">
					<cfdirectory action="create" directory="#request.folderStruct#memberLogos/#bus_ID#">
				</cflock>
			</cfif>
			<!--- Insert uploaded file--->
			<cflock name="crDir" timeout="30" type="exclusive">
				<cffile action="upload" filefield="fileLoc" destination="#request.folderStruct#memberLogos/#bus_ID#/" nameconflict="overwrite" accept="image/*">
</cflock>
<cfset fileName = cffile.clientFile>
<cfquery name="update_image">Update the business record with the 'filename'
</cfquery>		
</cffunction>

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