drivers/fmc: remove unused variable

Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
Tested-by: Pat Riehecky <riehecky@fnal.gov>
Acked-by: Alessandro Rubini <rubini@gnudd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/fmc/fru-parse.c b/drivers/fmc/fru-parse.c
index cb46263..eb21480 100644
--- a/drivers/fmc/fru-parse.c
+++ b/drivers/fmc/fru-parse.c
@@ -31,12 +31,11 @@
 {
 	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;