summaryrefslogtreecommitdiff
path: root/drivers/net/dsa/bcm_sf2_cfp.c
diff options
context:
space:
mode:
authorStefan Agner <stefan.agner@toradex.com>2019-06-18 14:29:35 +0200
committerStefan Agner <stefan.agner@toradex.com>2019-06-18 14:29:35 +0200
commitd15d0b7a9f89cf5a905ad6802eb23100c8063939 (patch)
tree84caa660dc73842efa29e116dcb3e32aa81a5cf0 /drivers/net/dsa/bcm_sf2_cfp.c
parente9dcc568b2e968af848bbdb4267ba6cde5457b9e (diff)
parent858848641fbecd42437e36adc9291b0ce5db379e (diff)
Merge tag 'v4.19.50-rt22' into toradex_4.19.y-rt
Linux 4.19.50-rt22
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 47c5f272a084..21db1804e85d 100644
--- a/drivers/net/dsa/bcm_sf2_cfp.c
+++ b/drivers/net/dsa/bcm_sf2_cfp.c
@@ -742,6 +742,9 @@ 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;
@@ -836,6 +839,9 @@ static int bcm_sf2_cfp_rule_del(struct bcm_sf2_priv *priv, int port,
u32 next_loc = 0;
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.