[PATCH net-next v1 07/11] net: pktgen: fix code style (WARNING: Missing a blank line after declarations)

From: Peter Seiderer
Date: Thu Apr 10 2025 - 03:22:03 EST


Fix checkpatch code style warnings:

WARNING: Missing a blank line after declarations
#761: FILE: net/core/pktgen.c:761:
+ char c;
+ if (get_user(c, &user_buffer[i]))

WARNING: Missing a blank line after declarations
#780: FILE: net/core/pktgen.c:780:
+ char c;
+ if (get_user(c, &user_buffer[i]))

WARNING: Missing a blank line after declarations
#806: FILE: net/core/pktgen.c:806:
+ char c;
+ if (get_user(c, &user_buffer[i]))

WARNING: Missing a blank line after declarations
#823: FILE: net/core/pktgen.c:823:
+ char c;
+ if (get_user(c, &user_buffer[i]))

WARNING: Missing a blank line after declarations
#1968: FILE: net/core/pktgen.c:1968:
+ char f[32];
+ memset(f, 0, 32);

WARNING: Missing a blank line after declarations
#2410: FILE: net/core/pktgen.c:2410:
+ struct pktgen_net *pn = net_generic(dev_net(pkt_dev->odev), pg_net_id);
+ if (!x) {

WARNING: Missing a blank line after declarations
#2442: FILE: net/core/pktgen.c:2442:
+ __u16 t;
+ if (pkt_dev->flags & F_QUEUE_MAP_RND) {

WARNING: Missing a blank line after declarations
#2523: FILE: net/core/pktgen.c:2523:
+ unsigned int i;
+ for (i = 0; i < pkt_dev->nr_labels; i++)

WARNING: Missing a blank line after declarations
#2567: FILE: net/core/pktgen.c:2567:
+ __u32 t;
+ if (pkt_dev->flags & F_IPSRC_RND)

WARNING: Missing a blank line after declarations
#2587: FILE: net/core/pktgen.c:2587:
+ __be32 s;
+ if (pkt_dev->flags & F_IPDST_RND) {

WARNING: Missing a blank line after declarations
#2634: FILE: net/core/pktgen.c:2634:
+ __u32 t;
+ if (pkt_dev->flags & F_TXSIZE_RND) {

WARNING: Missing a blank line after declarations
#2736: FILE: net/core/pktgen.c:2736:
+ int i;
+ for (i = 0; i < pkt_dev->cflows; i++) {

WARNING: Missing a blank line after declarations
#2738: FILE: net/core/pktgen.c:2738:
+ struct xfrm_state *x = pkt_dev->flows[i].x;
+ if (x) {

WARNING: Missing a blank line after declarations
#2752: FILE: net/core/pktgen.c:2752:
+ int nhead = 0;
+ if (x) {

WARNING: Missing a blank line after declarations
#2795: FILE: net/core/pktgen.c:2795:
+ unsigned int i;
+ for (i = 0; i < pkt_dev->nr_labels; i++)

WARNING: Missing a blank line after declarations
#3480: FILE: net/core/pktgen.c:3480:
+ ktime_t idle_start = ktime_get();
+ schedule();

Signed-off-by: Peter Seiderer <ps.report@xxxxxxx>
---
net/core/pktgen.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)

diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 6d2bf1ae5eb9..72063f3f8c61 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -758,6 +758,7 @@ static ssize_t hex32_arg(const char __user *user_buffer, size_t maxlen,
for (; i < maxlen; i++) {
int value;
char c;
+
if (get_user(c, &user_buffer[i]))
return -EFAULT;
value = hex_to_bin(c);
@@ -777,6 +778,7 @@ static ssize_t count_trail_chars(const char __user *user_buffer, size_t maxlen)

for (i = 0; i < maxlen; i++) {
char c;
+
if (get_user(c, &user_buffer[i]))
return -EFAULT;
switch (c) {
@@ -803,6 +805,7 @@ static ssize_t num_arg(const char __user *user_buffer, size_t maxlen,

for (i = 0; i < maxlen; i++) {
char c;
+
if (get_user(c, &user_buffer[i]))
return -EFAULT;
if ((c >= '0') && (c <= '9')) {
@@ -820,6 +823,7 @@ static ssize_t strn_len(const char __user *user_buffer, size_t maxlen)

for (i = 0; i < maxlen; i++) {
char c;
+
if (get_user(c, &user_buffer[i]))
return -EFAULT;
switch (c) {
@@ -1965,6 +1969,7 @@ static ssize_t pktgen_thread_write(struct file *file,

if (!strcmp(name, "add_device")) {
char f[32];
+
memset(f, 0, 32);
max = min(sizeof(f) - 1, count - i);
len = strn_len(&user_buffer[i], max);
@@ -2407,6 +2412,7 @@ static void get_ipsec_sa(struct pktgen_dev *pkt_dev, int flow)
#ifdef CONFIG_XFRM
struct xfrm_state *x = pkt_dev->flows[flow].x;
struct pktgen_net *pn = net_generic(dev_net(pkt_dev->odev), pg_net_id);
+
if (!x) {

if (pkt_dev->spi) {
@@ -2439,6 +2445,7 @@ static void set_cur_queue_map(struct pktgen_dev *pkt_dev)

else if (pkt_dev->queue_map_min <= pkt_dev->queue_map_max) {
__u16 t;
+
if (pkt_dev->flags & F_QUEUE_MAP_RND) {
t = get_random_u32_inclusive(pkt_dev->queue_map_min,
pkt_dev->queue_map_max);
@@ -2520,6 +2527,7 @@ static void mod_cur_headers(struct pktgen_dev *pkt_dev)

if (pkt_dev->flags & F_MPLS_RND) {
unsigned int i;
+
for (i = 0; i < pkt_dev->nr_labels; i++)
if (pkt_dev->labels[i] & MPLS_STACK_BOTTOM)
pkt_dev->labels[i] = MPLS_STACK_BOTTOM |
@@ -2564,6 +2572,7 @@ static void mod_cur_headers(struct pktgen_dev *pkt_dev)
imx = ntohl(pkt_dev->saddr_max);
if (imn < imx) {
__u32 t;
+
if (pkt_dev->flags & F_IPSRC_RND)
t = get_random_u32_inclusive(imn, imx - 1);
else {
@@ -2584,6 +2593,7 @@ static void mod_cur_headers(struct pktgen_dev *pkt_dev)
if (imn < imx) {
__u32 t;
__be32 s;
+
if (pkt_dev->flags & F_IPDST_RND) {

do {
@@ -2631,6 +2641,7 @@ static void mod_cur_headers(struct pktgen_dev *pkt_dev)

if (pkt_dev->min_pkt_size < pkt_dev->max_pkt_size) {
__u32 t;
+
if (pkt_dev->flags & F_TXSIZE_RND) {
t = get_random_u32_inclusive(pkt_dev->min_pkt_size,
pkt_dev->max_pkt_size - 1);
@@ -2733,8 +2744,10 @@ static void free_SAs(struct pktgen_dev *pkt_dev)
if (pkt_dev->cflows) {
/* let go of the SAs if we have them */
int i;
+
for (i = 0; i < pkt_dev->cflows; i++) {
struct xfrm_state *x = pkt_dev->flows[i].x;
+
if (x) {
xfrm_state_put(x);
pkt_dev->flows[i].x = NULL;
@@ -2749,6 +2762,7 @@ static int process_ipsec(struct pktgen_dev *pkt_dev,
if (pkt_dev->flags & F_IPSEC) {
struct xfrm_state *x = pkt_dev->flows[pkt_dev->curfl].x;
int nhead = 0;
+
if (x) {
struct ethhdr *eth;
struct iphdr *iph;
@@ -2792,6 +2806,7 @@ static int process_ipsec(struct pktgen_dev *pkt_dev,
static void mpls_push(__be32 *mpls, struct pktgen_dev *pkt_dev)
{
unsigned int i;
+
for (i = 0; i < pkt_dev->nr_labels; i++)
*mpls++ = pkt_dev->labels[i] & ~MPLS_STACK_BOTTOM;

@@ -3477,6 +3492,7 @@ static void pktgen_rem_thread(struct pktgen_thread *t)
static void pktgen_resched(struct pktgen_dev *pkt_dev)
{
ktime_t idle_start = ktime_get();
+
schedule();
pkt_dev->idle_acc += ktime_to_ns(ktime_sub(ktime_get(), idle_start));
}
--
2.49.0