Revert "ipmi_smbios: remove unused smbios_cksum function"

This reverts commit d2589dc3d56ce063b28b54df11c950c3758d9578.

1 files changed, 17 insertions, 0 deletions

diff --git a/sys/dev/ipmi/ipmi_smbios.c b/sys/dev/ipmi/ipmi_smbios.c
index f7bc50d5173e..735f404eec5f 100644
--- a/sys/dev/ipmi/ipmi_smbios.c
+++ b/sys/dev/ipmi/ipmi_smbios.c
@@ -87,6 +87,7 @@ static struct mtx ipmi_info_mtx;
 MTX_SYSINIT(ipmi_info, &ipmi_info_mtx, "ipmi info", MTX_DEF);
 
 static void	ipmi_smbios_probe(struct ipmi_get_info *);
+static int	smbios_cksum(struct smbios_eps *);
 static void	smbios_walk_table(uint8_t *, vm_size_t, smbios_callback_t,
 		    void *);
 static void	smbios_ipmi_info(struct smbios_structure_header *, void *);
@@ -236,3 +237,19 @@ ipmi_smbios_identify(struct ipmi_get_info *info)
 
 	return (info->iface_type != 0);
 }
+
+static int
+smbios_cksum(struct smbios_eps *e)
+{
+	u_int8_t *ptr;
+	u_int8_t cksum;
+	int i;
+
+	ptr = (u_int8_t *)e;
+	cksum = 0;
+	for (i = 0; i < e->length; i++) {
+		cksum += ptr[i];
+	}
+
+	return (cksum);
+}