drivers/fmc: remove unused variable

Signed-off-by: NFederico Vaga <federico.vaga@cern.ch>
Tested-by: NPat Riehecky <riehecky@fnal.gov>
Acked-by: NAlessandro Rubini <rubini@gnudd.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/fmc/fru-parse.c

@@ -31,12 +31,11 @@ static char *__fru_alloc_get_tl(struct fru_common_header *header, int nr)
 {
 	struct fru_type_length *tl;
 	char *res;
-	int len;
 
 	tl = __fru_get_board_tl(header, nr);
 	if (!tl)
 		return NULL;
-	len = fru_strlen(tl);
+
 	res = fru_alloc(fru_strlen(tl) + 1);
 	if (!res)
 		return NULL;