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path: root/drivers/net/dsa/bcm_sf2_cfp.c
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Diffstat (limited to 'drivers/net/dsa/bcm_sf2_cfp.c')
-rw-r--r--drivers/net/dsa/bcm_sf2_cfp.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/dsa/bcm_sf2_cfp.c b/drivers/net/dsa/bcm_sf2_cfp.c
index e6234d209787..4212bc4a5f31 100644
--- a/drivers/net/dsa/bcm_sf2_cfp.c
+++ b/drivers/net/dsa/bcm_sf2_cfp.c
@@ -886,6 +886,9 @@ static int bcm_sf2_cfp_rule_set(struct dsa_switch *ds, int port,
fs->m_ext.data[1]))
return -EINVAL;
+ if (fs->location != RX_CLS_LOC_ANY && fs->location >= CFP_NUM_RULES)
+ return -EINVAL;
+
if (fs->location != RX_CLS_LOC_ANY &&
test_bit(fs->location, priv->cfp.used))
return -EBUSY;
@@ -974,6 +977,9 @@ static int bcm_sf2_cfp_rule_del(struct bcm_sf2_priv *priv, int port, u32 loc)
struct cfp_rule *rule;
int ret;
+ if (loc >= CFP_NUM_RULES)
+ return -EINVAL;
+
/* Refuse deleting unused rules, and those that are not unique since
* that could leave IPv6 rules with one of the chained rule in the
* table.