[dpdk-dev] [PATCH v2 2/4] net/i40e: add null point check and fix mem leak
Yong Wang
wang.yong19 at zte.com.cn
Wed Dec 20 11:23:16 CET 2017
Signed-off-by: Yong Wang <wang.yong19 at zte.com.cn>
---
v2:
* Fix code style warning.
---
drivers/net/i40e/i40e_ethdev.c | 32 ++++++++++++++++++++++++++++++++
drivers/net/i40e/i40e_fdir.c | 7 +++++++
2 files changed, 39 insertions(+)
diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index 811cc9f..f871474 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -7036,11 +7036,13 @@ struct i40e_tunnel_filter *
node = i40e_sw_tunnel_filter_lookup(tunnel_rule, &check_filter.input);
if (add && node) {
PMD_DRV_LOG(ERR, "Conflict with existing tunnel rules!");
+ rte_free(cld_filter);
return -EINVAL;
}
if (!add && !node) {
PMD_DRV_LOG(ERR, "There's no corresponding tunnel filter!");
+ rte_free(cld_filter);
return -EINVAL;
}
@@ -7049,16 +7051,26 @@ struct i40e_tunnel_filter *
vsi->seid, &cld_filter->element, 1);
if (ret < 0) {
PMD_DRV_LOG(ERR, "Failed to add a tunnel filter.");
+ rte_free(cld_filter);
return -ENOTSUP;
}
tunnel = rte_zmalloc("tunnel_filter", sizeof(*tunnel), 0);
+ if (tunnel == NULL) {
+ PMD_DRV_LOG(ERR, "Failed to alloc memory.");
+ rte_free(cld_filter);
+ return -ENOMEM;
+ }
+
rte_memcpy(tunnel, &check_filter, sizeof(check_filter));
ret = i40e_sw_tunnel_filter_insert(pf, tunnel);
+ if (ret < 0)
+ rte_free(tunnel);
} else {
ret = i40e_aq_remove_cloud_filters(hw, vsi->seid,
&cld_filter->element, 1);
if (ret < 0) {
PMD_DRV_LOG(ERR, "Failed to delete a tunnel filter.");
+ rte_free(cld_filter);
return -ENOTSUP;
}
ret = i40e_sw_tunnel_filter_del(pf, &node->input);
@@ -7486,6 +7498,7 @@ i40e_status_code i40e_replace_gtp_cloud_filter(struct i40e_pf *pf)
else {
if (tunnel_filter->vf_id >= pf->vf_num) {
PMD_DRV_LOG(ERR, "Invalid argument.");
+ rte_free(cld_filter);
return -EINVAL;
}
vf = &pf->vfs[tunnel_filter->vf_id];
@@ -7500,11 +7513,13 @@ i40e_status_code i40e_replace_gtp_cloud_filter(struct i40e_pf *pf)
node = i40e_sw_tunnel_filter_lookup(tunnel_rule, &check_filter.input);
if (add && node) {
PMD_DRV_LOG(ERR, "Conflict with existing tunnel rules!");
+ rte_free(cld_filter);
return -EINVAL;
}
if (!add && !node) {
PMD_DRV_LOG(ERR, "There's no corresponding tunnel filter!");
+ rte_free(cld_filter);
return -EINVAL;
}
@@ -7517,11 +7532,20 @@ i40e_status_code i40e_replace_gtp_cloud_filter(struct i40e_pf *pf)
vsi->seid, &cld_filter->element, 1);
if (ret < 0) {
PMD_DRV_LOG(ERR, "Failed to add a tunnel filter.");
+ rte_free(cld_filter);
return -ENOTSUP;
}
tunnel = rte_zmalloc("tunnel_filter", sizeof(*tunnel), 0);
+ if (tunnel == NULL) {
+ PMD_DRV_LOG(ERR, "Failed to alloc memory.");
+ rte_free(cld_filter);
+ return -ENOMEM;
+ }
+
rte_memcpy(tunnel, &check_filter, sizeof(check_filter));
ret = i40e_sw_tunnel_filter_insert(pf, tunnel);
+ if (ret < 0)
+ rte_free(tunnel);
} else {
if (big_buffer)
ret = i40e_aq_remove_cloud_filters_big_buffer(
@@ -7531,6 +7555,7 @@ i40e_status_code i40e_replace_gtp_cloud_filter(struct i40e_pf *pf)
&cld_filter->element, 1);
if (ret < 0) {
PMD_DRV_LOG(ERR, "Failed to delete a tunnel filter.");
+ rte_free(cld_filter);
return -ENOTSUP;
}
ret = i40e_sw_tunnel_filter_del(pf, &node->input);
@@ -9142,9 +9167,16 @@ struct i40e_ethertype_filter *
if (add) {
ethertype_filter = rte_zmalloc("ethertype_filter",
sizeof(*ethertype_filter), 0);
+ if (ethertype_filter == NULL) {
+ PMD_DRV_LOG(ERR, "Failed to alloc memory.");
+ return -ENOMEM;
+ }
+
rte_memcpy(ethertype_filter, &check_filter,
sizeof(check_filter));
ret = i40e_sw_ethertype_filter_insert(pf, ethertype_filter);
+ if (ret < 0)
+ rte_free(ethertype_filter);
} else {
ret = i40e_sw_ethertype_filter_del(pf, &node->input);
}
diff --git a/drivers/net/i40e/i40e_fdir.c b/drivers/net/i40e/i40e_fdir.c
index 3d7170d..9ce25b2 100644
--- a/drivers/net/i40e/i40e_fdir.c
+++ b/drivers/net/i40e/i40e_fdir.c
@@ -1612,8 +1612,15 @@ static int i40e_sw_fdir_filter_insert(struct i40e_pf *pf,
if (add) {
fdir_filter = rte_zmalloc("fdir_filter",
sizeof(*fdir_filter), 0);
+ if (fdir_filter == NULL) {
+ PMD_DRV_LOG(ERR, "Failed to alloc memory.");
+ return -ENOMEM;
+ }
+
rte_memcpy(fdir_filter, &check_filter, sizeof(check_filter));
ret = i40e_sw_fdir_filter_insert(pf, fdir_filter);
+ if (ret < 0)
+ rte_free(fdir_filter);
} else {
ret = i40e_sw_fdir_filter_del(pf, &node->fdir.input);
}
--
1.8.3.1
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