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From: Stephen Hemminger <stephen@networkplumber.org>
To: dev@dpdk.org
Cc: Stephen Hemminger <stephen@networkplumber.org>,
Christian Koue Muf <ckm@napatech.com>,
Serhii Iliushyk <sil-plv@napatech.com>
Subject: [PATCH v6 10/11] net/ntnic: remove unnecessary memset
Date: Thu, 13 Feb 2025 14:16:23 -0800
Message-ID: <20250213221819.1856769-11-stephen@networkplumber.org>
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<20250213221819.1856769-1-stephen@networkplumber.org>
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Calling memset before free() has no effect and will be flagged
by security parsing tools as a potential bug. None of these data
structures have sensitive information.
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
drivers/net/ntnic/nthw/core/nthw_hif.c | 5 +----
drivers/net/ntnic/nthw/core/nthw_iic.c | 5 +----
drivers/net/ntnic/nthw/core/nthw_pcie3.c | 5 +----
drivers/net/ntnic/nthw/core/nthw_rpf.c | 5 +----
drivers/net/ntnic/nthw/core/nthw_sdc.c | 5 +----
drivers/net/ntnic/nthw/core/nthw_si5340.c | 5 +----
drivers/net/ntnic/nthw/flow_filter/flow_nthw_cat.c | 5 +----
drivers/net/ntnic/nthw/flow_filter/flow_nthw_csu.c | 5 +----
drivers/net/ntnic/nthw/flow_filter/flow_nthw_flm.c | 5 +----
drivers/net/ntnic/nthw/flow_filter/flow_nthw_hfu.c | 5 +----
drivers/net/ntnic/nthw/flow_filter/flow_nthw_hsh.c | 5 +----
drivers/net/ntnic/nthw/flow_filter/flow_nthw_info.c | 5 +----
drivers/net/ntnic/nthw/flow_filter/flow_nthw_km.c | 5 +----
drivers/net/ntnic/nthw/flow_filter/flow_nthw_pdb.c | 5 +----
drivers/net/ntnic/nthw/flow_filter/flow_nthw_qsl.c | 5 +----
drivers/net/ntnic/nthw/flow_filter/flow_nthw_rpp_lr.c | 5 +----
drivers/net/ntnic/nthw/flow_filter/flow_nthw_slc_lr.c | 5 +----
drivers/net/ntnic/nthw/flow_filter/flow_nthw_tx_cpy.c | 1 -
drivers/net/ntnic/nthw/flow_filter/flow_nthw_tx_ins.c | 5 +----
drivers/net/ntnic/nthw/flow_filter/flow_nthw_tx_rpl.c | 5 +----
drivers/net/ntnic/nthw/model/nthw_fpga_model.c | 1 -
21 files changed, 19 insertions(+), 78 deletions(-)
diff --git a/drivers/net/ntnic/nthw/core/nthw_hif.c b/drivers/net/ntnic/nthw/core/nthw_hif.c
index 9f699e4f94..d702257d76 100644
--- a/drivers/net/ntnic/nthw/core/nthw_hif.c
+++ b/drivers/net/ntnic/nthw/core/nthw_hif.c
@@ -23,10 +23,7 @@ nthw_hif_t *nthw_hif_new(void)
void nthw_hif_delete(nthw_hif_t *p)
{
- if (p) {
- memset(p, 0, sizeof(nthw_hif_t));
- free(p);
- }
+ free(p);
}
int nthw_hif_init(nthw_hif_t *p, nthw_fpga_t *p_fpga, int n_instance)
diff --git a/drivers/net/ntnic/nthw/core/nthw_iic.c b/drivers/net/ntnic/nthw/core/nthw_iic.c
index 269754c24a..a98ec659c4 100644
--- a/drivers/net/ntnic/nthw/core/nthw_iic.c
+++ b/drivers/net/ntnic/nthw/core/nthw_iic.c
@@ -253,10 +253,7 @@ int nthw_iic_init(nthw_iic_t *p, nthw_fpga_t *p_fpga, int n_iic_instance,
void nthw_iic_delete(nthw_iic_t *p)
{
- if (p) {
- memset(p, 0, sizeof(nthw_iic_t));
- free(p);
- }
+ free(p);
}
int nthw_iic_set_retry_params(nthw_iic_t *p, const int n_poll_delay, const int n_bus_ready_retry,
diff --git a/drivers/net/ntnic/nthw/core/nthw_pcie3.c b/drivers/net/ntnic/nthw/core/nthw_pcie3.c
index 5997ebb419..a5833e166c 100644
--- a/drivers/net/ntnic/nthw/core/nthw_pcie3.c
+++ b/drivers/net/ntnic/nthw/core/nthw_pcie3.c
@@ -24,10 +24,7 @@ nthw_pcie3_t *nthw_pcie3_new(void)
void nthw_pcie3_delete(nthw_pcie3_t *p)
{
- if (p) {
- memset(p, 0, sizeof(nthw_pcie3_t));
- free(p);
- }
+ free(p);
}
int nthw_pcie3_init(nthw_pcie3_t *p, nthw_fpga_t *p_fpga, int n_instance)
diff --git a/drivers/net/ntnic/nthw/core/nthw_rpf.c b/drivers/net/ntnic/nthw/core/nthw_rpf.c
index 1ed4d7b4e0..d5c19e312b 100644
--- a/drivers/net/ntnic/nthw/core/nthw_rpf.c
+++ b/drivers/net/ntnic/nthw/core/nthw_rpf.c
@@ -22,10 +22,7 @@ nthw_rpf_t *nthw_rpf_new(void)
void nthw_rpf_delete(nthw_rpf_t *p)
{
- if (p) {
- memset(p, 0, sizeof(nthw_rpf_t));
- free(p);
- }
+ free(p);
}
int nthw_rpf_init(nthw_rpf_t *p, nthw_fpga_t *p_fpga, int n_instance)
diff --git a/drivers/net/ntnic/nthw/core/nthw_sdc.c b/drivers/net/ntnic/nthw/core/nthw_sdc.c
index fc73e6957c..e32d87b967 100644
--- a/drivers/net/ntnic/nthw/core/nthw_sdc.c
+++ b/drivers/net/ntnic/nthw/core/nthw_sdc.c
@@ -22,10 +22,7 @@ nthw_sdc_t *nthw_sdc_new(void)
void nthw_sdc_delete(nthw_sdc_t *p)
{
- if (p) {
- memset(p, 0, sizeof(nthw_sdc_t));
- free(p);
- }
+ free(p);
}
int nthw_sdc_init(nthw_sdc_t *p, nthw_fpga_t *p_fpga, int n_instance)
diff --git a/drivers/net/ntnic/nthw/core/nthw_si5340.c b/drivers/net/ntnic/nthw/core/nthw_si5340.c
index 05cadc0bf4..ceaa58e0f7 100644
--- a/drivers/net/ntnic/nthw/core/nthw_si5340.c
+++ b/drivers/net/ntnic/nthw/core/nthw_si5340.c
@@ -44,10 +44,7 @@ int nthw_si5340_init(nthw_si5340_t *p, nthw_iic_t *p_nthw_iic, uint8_t n_iic_add
void nthw_si5340_delete(nthw_si5340_t *p)
{
- if (p) {
- memset(p, 0, sizeof(nthw_si5340_t));
- free(p);
- }
+ free(p);
}
/*
diff --git a/drivers/net/ntnic/nthw/flow_filter/flow_nthw_cat.c b/drivers/net/ntnic/nthw/flow_filter/flow_nthw_cat.c
index d3213593e1..ff316065f3 100644
--- a/drivers/net/ntnic/nthw/flow_filter/flow_nthw_cat.c
+++ b/drivers/net/ntnic/nthw/flow_filter/flow_nthw_cat.c
@@ -25,10 +25,7 @@ struct cat_nthw *cat_nthw_new(void)
void cat_nthw_delete(struct cat_nthw *p)
{
- if (p) {
- (void)memset(p, 0, sizeof(*p));
- free(p);
- }
+ free(p);
}
void cat_nthw_set_debug_mode(struct cat_nthw *p, unsigned int n_debug_mode)
diff --git a/drivers/net/ntnic/nthw/flow_filter/flow_nthw_csu.c b/drivers/net/ntnic/nthw/flow_filter/flow_nthw_csu.c
index c1b73179a8..ddb11edf7c 100644
--- a/drivers/net/ntnic/nthw/flow_filter/flow_nthw_csu.c
+++ b/drivers/net/ntnic/nthw/flow_filter/flow_nthw_csu.c
@@ -29,10 +29,7 @@ struct csu_nthw *csu_nthw_new(void)
void csu_nthw_delete(struct csu_nthw *p)
{
- if (p) {
- (void)memset(p, 0, sizeof(*p));
- free(p);
- }
+ free(p);
}
int csu_nthw_init(struct csu_nthw *p, nthw_fpga_t *p_fpga, int n_instance)
diff --git a/drivers/net/ntnic/nthw/flow_filter/flow_nthw_flm.c b/drivers/net/ntnic/nthw/flow_filter/flow_nthw_flm.c
index 8855978349..0b2f97ff01 100644
--- a/drivers/net/ntnic/nthw/flow_filter/flow_nthw_flm.c
+++ b/drivers/net/ntnic/nthw/flow_filter/flow_nthw_flm.c
@@ -26,10 +26,7 @@ struct flm_nthw *flm_nthw_new(void)
void flm_nthw_delete(struct flm_nthw *p)
{
- if (p) {
- (void)memset(p, 0, sizeof(*p));
- free(p);
- }
+ free(p);
}
void flm_nthw_set_debug_mode(struct flm_nthw *p, unsigned int n_debug_mode)
diff --git a/drivers/net/ntnic/nthw/flow_filter/flow_nthw_hfu.c b/drivers/net/ntnic/nthw/flow_filter/flow_nthw_hfu.c
index 4a8b17101d..3170c363dc 100644
--- a/drivers/net/ntnic/nthw/flow_filter/flow_nthw_hfu.c
+++ b/drivers/net/ntnic/nthw/flow_filter/flow_nthw_hfu.c
@@ -29,10 +29,7 @@ struct hfu_nthw *hfu_nthw_new(void)
void hfu_nthw_delete(struct hfu_nthw *p)
{
- if (p) {
- (void)memset(p, 0, sizeof(*p));
- free(p);
- }
+ free(p);
}
int hfu_nthw_init(struct hfu_nthw *p, nthw_fpga_t *p_fpga, int n_instance)
diff --git a/drivers/net/ntnic/nthw/flow_filter/flow_nthw_hsh.c b/drivers/net/ntnic/nthw/flow_filter/flow_nthw_hsh.c
index 80ead2729a..17381ddea6 100644
--- a/drivers/net/ntnic/nthw/flow_filter/flow_nthw_hsh.c
+++ b/drivers/net/ntnic/nthw/flow_filter/flow_nthw_hsh.c
@@ -30,10 +30,7 @@ struct hsh_nthw *hsh_nthw_new(void)
void hsh_nthw_delete(struct hsh_nthw *p)
{
- if (p) {
- (void)memset(p, 0, sizeof(*p));
- free(p);
- }
+ free(p);
}
int hsh_nthw_init(struct hsh_nthw *p, nthw_fpga_t *p_fpga, int n_instance)
diff --git a/drivers/net/ntnic/nthw/flow_filter/flow_nthw_info.c b/drivers/net/ntnic/nthw/flow_filter/flow_nthw_info.c
index 8e0b24dd9a..7a17d36f6d 100644
--- a/drivers/net/ntnic/nthw/flow_filter/flow_nthw_info.c
+++ b/drivers/net/ntnic/nthw/flow_filter/flow_nthw_info.c
@@ -30,10 +30,7 @@ struct info_nthw *info_nthw_new(void)
void info_nthw_delete(struct info_nthw *p)
{
- if (p) {
- (void)memset(p, 0, sizeof(*p));
- free(p);
- }
+ free(p);
}
int info_nthw_init(struct info_nthw *p, nthw_fpga_t *p_fpga, int n_instance)
diff --git a/drivers/net/ntnic/nthw/flow_filter/flow_nthw_km.c b/drivers/net/ntnic/nthw/flow_filter/flow_nthw_km.c
index edc8f58759..88f3900caf 100644
--- a/drivers/net/ntnic/nthw/flow_filter/flow_nthw_km.c
+++ b/drivers/net/ntnic/nthw/flow_filter/flow_nthw_km.c
@@ -39,10 +39,7 @@ struct km_nthw *km_nthw_new(void)
void km_nthw_delete(struct km_nthw *p)
{
- if (p) {
- (void)memset(p, 0, sizeof(*p));
- free(p);
- }
+ free(p);
}
int km_nthw_init(struct km_nthw *p, nthw_fpga_t *p_fpga, int n_instance)
diff --git a/drivers/net/ntnic/nthw/flow_filter/flow_nthw_pdb.c b/drivers/net/ntnic/nthw/flow_filter/flow_nthw_pdb.c
index 4a9713965b..b0b3f41027 100644
--- a/drivers/net/ntnic/nthw/flow_filter/flow_nthw_pdb.c
+++ b/drivers/net/ntnic/nthw/flow_filter/flow_nthw_pdb.c
@@ -30,10 +30,7 @@ struct pdb_nthw *pdb_nthw_new(void)
void pdb_nthw_delete(struct pdb_nthw *p)
{
- if (p) {
- (void)memset(p, 0, sizeof(*p));
- free(p);
- }
+ free(p);
}
int pdb_nthw_init(struct pdb_nthw *p, nthw_fpga_t *p_fpga, int n_instance)
diff --git a/drivers/net/ntnic/nthw/flow_filter/flow_nthw_qsl.c b/drivers/net/ntnic/nthw/flow_filter/flow_nthw_qsl.c
index c887fe25e2..9b1dddb3a8 100644
--- a/drivers/net/ntnic/nthw/flow_filter/flow_nthw_qsl.c
+++ b/drivers/net/ntnic/nthw/flow_filter/flow_nthw_qsl.c
@@ -30,10 +30,7 @@ struct qsl_nthw *qsl_nthw_new(void)
void qsl_nthw_delete(struct qsl_nthw *p)
{
- if (p) {
- (void)memset(p, 0, sizeof(*p));
- free(p);
- }
+ free(p);
}
int qsl_nthw_init(struct qsl_nthw *p, nthw_fpga_t *p_fpga, int n_instance)
diff --git a/drivers/net/ntnic/nthw/flow_filter/flow_nthw_rpp_lr.c b/drivers/net/ntnic/nthw/flow_filter/flow_nthw_rpp_lr.c
index e69a1ca823..3b7380b52f 100644
--- a/drivers/net/ntnic/nthw/flow_filter/flow_nthw_rpp_lr.c
+++ b/drivers/net/ntnic/nthw/flow_filter/flow_nthw_rpp_lr.c
@@ -29,10 +29,7 @@ struct rpp_lr_nthw *rpp_lr_nthw_new(void)
void rpp_lr_nthw_delete(struct rpp_lr_nthw *p)
{
- if (p) {
- (void)memset(p, 0, sizeof(*p));
- free(p);
- }
+ free(p);
}
int rpp_lr_nthw_init(struct rpp_lr_nthw *p, nthw_fpga_t *p_fpga, int n_instance)
diff --git a/drivers/net/ntnic/nthw/flow_filter/flow_nthw_slc_lr.c b/drivers/net/ntnic/nthw/flow_filter/flow_nthw_slc_lr.c
index e062a700eb..9083455051 100644
--- a/drivers/net/ntnic/nthw/flow_filter/flow_nthw_slc_lr.c
+++ b/drivers/net/ntnic/nthw/flow_filter/flow_nthw_slc_lr.c
@@ -30,10 +30,7 @@ struct slc_lr_nthw *slc_lr_nthw_new(void)
void slc_lr_nthw_delete(struct slc_lr_nthw *p)
{
- if (p) {
- (void)memset(p, 0, sizeof(*p));
- free(p);
- }
+ free(p);
}
int slc_lr_nthw_init(struct slc_lr_nthw *p, nthw_fpga_t *p_fpga, int n_instance)
diff --git a/drivers/net/ntnic/nthw/flow_filter/flow_nthw_tx_cpy.c b/drivers/net/ntnic/nthw/flow_filter/flow_nthw_tx_cpy.c
index ee85a1c61b..c0e26f9186 100644
--- a/drivers/net/ntnic/nthw/flow_filter/flow_nthw_tx_cpy.c
+++ b/drivers/net/ntnic/nthw/flow_filter/flow_nthw_tx_cpy.c
@@ -31,7 +31,6 @@ void tx_cpy_nthw_delete(struct tx_cpy_nthw *p)
{
if (p) {
free(p->m_writers);
- (void)memset(p, 0, sizeof(*p));
free(p);
}
}
diff --git a/drivers/net/ntnic/nthw/flow_filter/flow_nthw_tx_ins.c b/drivers/net/ntnic/nthw/flow_filter/flow_nthw_tx_ins.c
index 47af44945f..40581c51ca 100644
--- a/drivers/net/ntnic/nthw/flow_filter/flow_nthw_tx_ins.c
+++ b/drivers/net/ntnic/nthw/flow_filter/flow_nthw_tx_ins.c
@@ -29,10 +29,7 @@ struct tx_ins_nthw *tx_ins_nthw_new(void)
void tx_ins_nthw_delete(struct tx_ins_nthw *p)
{
- if (p) {
- (void)memset(p, 0, sizeof(*p));
- free(p);
- }
+ free(p);
}
int tx_ins_nthw_init(struct tx_ins_nthw *p, nthw_fpga_t *p_fpga, int n_instance)
diff --git a/drivers/net/ntnic/nthw/flow_filter/flow_nthw_tx_rpl.c b/drivers/net/ntnic/nthw/flow_filter/flow_nthw_tx_rpl.c
index c40857db0f..3786089326 100644
--- a/drivers/net/ntnic/nthw/flow_filter/flow_nthw_tx_rpl.c
+++ b/drivers/net/ntnic/nthw/flow_filter/flow_nthw_tx_rpl.c
@@ -29,10 +29,7 @@ struct tx_rpl_nthw *tx_rpl_nthw_new(void)
void tx_rpl_nthw_delete(struct tx_rpl_nthw *p)
{
- if (p) {
- (void)memset(p, 0, sizeof(*p));
- free(p);
- }
+ free(p);
}
int tx_rpl_nthw_init(struct tx_rpl_nthw *p, nthw_fpga_t *p_fpga, int n_instance)
diff --git a/drivers/net/ntnic/nthw/model/nthw_fpga_model.c b/drivers/net/ntnic/nthw/model/nthw_fpga_model.c
index 9eaaeb550d..0fb525d34f 100644
--- a/drivers/net/ntnic/nthw/model/nthw_fpga_model.c
+++ b/drivers/net/ntnic/nthw/model/nthw_fpga_model.c
@@ -183,7 +183,6 @@ nthw_fpga_mgr_t *nthw_fpga_mgr_new(void)
void nthw_fpga_mgr_delete(nthw_fpga_mgr_t *p)
{
- memset(p, 0, sizeof(nthw_fpga_mgr_t));
free(p);
}
--
2.47.2