[PATCH 24/24] net: Remove unnecessary OOM logging messages

Joe Perches
2011-08-29T21:22:35Z

net/core/dev.c | 25 +++++++------------------
net/core/flow.c | 4 +---
net/core/pktgen.c | 5 +----
net/socket.c | 5 +----
4 files changed, 10 insertions(+), 29 deletions(-)

diff --git a/net/core/dev.c b/net/core/dev.c
index b2e262e..67018d8 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -5424,10 +5424,9 @@ static int netif_alloc_rx_queues(struct net_device *dev)
BUG_ON(count < 1);

rx = kcalloc(count, sizeof(struct netdev_rx_queue), GFP_KERNEL);
- if (!rx) {
- pr_err("netdev: Unable to allocate %u rx queues.\n", count);
+ if (!rx)
return -ENOMEM;
- }
+
dev->_rx = rx;

for (i = 0; i < count; i++)
@@ -5455,11 +5454,9 @@ static int netif_alloc_netdev_queues(struct net_device *dev)
BUG_ON(count < 1);

tx = kcalloc(count, sizeof(struct netdev_queue), GFP_KERNEL);
- if (!tx) {
- pr_err("netdev: Unable to allocate %u tx queues.\n",
- count);
+ if (!tx)
return -ENOMEM;
- }
+
dev->_tx = tx;

netdev_for_each_tx_queue(dev, netdev_init_one_queue, NULL);
@@ -5878,18 +5875,12 @@ struct net_device *alloc_netdev_mqs(int sizeof_priv, const char *name,

BUG_ON(strlen(name) >= sizeof(dev->name));

- if (txqs < 1) {
- pr_err("alloc_netdev: Unable to allocate device "
- "with zero queues.\n");
+ if (txqs < 1)
return NULL;
- }

#ifdef CONFIG_RPS
- if (rxqs < 1) {
- pr_err("alloc_netdev: Unable to allocate device "
- "with zero RX queues.\n");
+ if (rxqs < 1)
return NULL;
- }
#endif

alloc_size = sizeof(struct net_device);
@@ -5902,10 +5893,8 @@ struct net_device *alloc_netdev_mqs(int sizeof_priv, const char *name,
alloc_size += NETDEV_ALIGN - 1;

p = kzalloc(alloc_size, GFP_KERNEL);
- if (!p) {
- printk(KERN_ERR "alloc_netdev: Unable to allocate device.\n");
+ if (!p)
return NULL;
- }

dev = PTR_ALIGN(p, NETDEV_ALIGN);
dev->padded = (char *)dev - (char *)p;
diff --git a/net/core/flow.c b/net/core/flow.c
index bf32c33..7e33612 100644
--- a/net/core/flow.c
+++ b/net/core/flow.c
@@ -359,10 +359,8 @@ static int __cpuinit flow_cache_cpu_prepare(struct flow_cache *fc, int cpu)

if (!fcp->hash_table) {
fcp->hash_table = kzalloc_node(sz, GFP_KERNEL, cpu_to_node(cpu));
- if (!fcp->hash_table) {
- pr_err("NET: failed to allocate flow cache sz %zu\n", sz);
+ if (!fcp->hash_table)
return -ENOMEM;
- }
fcp->hash_rnd_recalc = 1;
fcp->hash_count = 0;
tasklet_init(&fcp->flush_tasklet, flow_cache_flush_tasklet, 0);
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 796044a..3769f16 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -3323,7 +3323,6 @@ static void pktgen_xmit(struct pktgen_dev *pkt_dev)

pkt_dev->skb = fill_packet(odev, pkt_dev);
if (pkt_dev->skb == NULL) {
- pr_err("ERROR: couldn't allocate skb in fill_packet\n");
schedule();
pkt_dev->clone_count--; /* back out increment, OOM */
return;
@@ -3610,10 +3609,8 @@ static int __init pktgen_create_thread(int cpu)

t = kzalloc_node(sizeof(struct pktgen_thread), GFP_KERNEL,
cpu_to_node(cpu));
- if (!t) {
- pr_err("ERROR: out of memory, can't create new thread\n");
+ if (!t)
return -ENOMEM;
- }

spin_lock_init(&t->if_lock);
t->cpu = cpu;
diff --git a/net/socket.c b/net/socket.c
index 2517e11..51fa300 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -1213,12 +1213,9 @@ int __sock_create(struct net *net, int family, int type, int protocol,
* default.
*/
sock = sock_alloc();
- if (!sock) {
- if (net_ratelimit())
- printk(KERN_WARNING "socket: no more sockets\n");
+ if (!sock)
return -ENFILE; /* Not exactly a match, but its the
closest posix thing */
- }

sock->type = type;

--
1.7.6.405.gc1be0