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IB/core: trivial prink cleanup.
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1. Replaced printk with appropriate pr_warn, pr_err, pr_info.
2. Removed unnecessary prints around memory allocation failure
which are not required, as reported by the checkpatch script.

Signed-off-by: Parav Pandit <pandit.parav@gmail.com>
Reviewed-by: Haggai Eran <haggaie@mellanox.com>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Parav Pandit authored and Doug Ledford committed Mar 3, 2016
1 parent db9314c commit aba25a3
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Showing 10 changed files with 77 additions and 89 deletions.
15 changes: 7 additions & 8 deletions drivers/infiniband/core/cache.c
Original file line number Diff line number Diff line change
Expand Up @@ -1043,8 +1043,8 @@ static void ib_cache_update(struct ib_device *device,

ret = ib_query_port(device, port, tprops);
if (ret) {
printk(KERN_WARNING "ib_query_port failed (%d) for %s\n",
ret, device->name);
pr_warn("ib_query_port failed (%d) for %s\n",
ret, device->name);
goto err;
}

Expand All @@ -1067,8 +1067,8 @@ static void ib_cache_update(struct ib_device *device,
for (i = 0; i < pkey_cache->table_len; ++i) {
ret = ib_query_pkey(device, port, i, pkey_cache->table + i);
if (ret) {
printk(KERN_WARNING "ib_query_pkey failed (%d) for %s (index %d)\n",
ret, device->name, i);
pr_warn("ib_query_pkey failed (%d) for %s (index %d)\n",
ret, device->name, i);
goto err;
}
}
Expand All @@ -1078,8 +1078,8 @@ static void ib_cache_update(struct ib_device *device,
ret = ib_query_gid(device, port, i,
gid_cache->table + i, NULL);
if (ret) {
printk(KERN_WARNING "ib_query_gid failed (%d) for %s (index %d)\n",
ret, device->name, i);
pr_warn("ib_query_gid failed (%d) for %s (index %d)\n",
ret, device->name, i);
goto err;
}
}
Expand Down Expand Up @@ -1161,8 +1161,7 @@ int ib_cache_setup_one(struct ib_device *device)
GFP_KERNEL);
if (!device->cache.pkey_cache ||
!device->cache.lmc_cache) {
printk(KERN_WARNING "Couldn't allocate cache "
"for %s\n", device->name);
pr_warn("Couldn't allocate cache for %s\n", device->name);
return -ENOMEM;
}

Expand Down
14 changes: 7 additions & 7 deletions drivers/infiniband/core/cma.c
Original file line number Diff line number Diff line change
Expand Up @@ -1713,7 +1713,7 @@ static int cma_ib_handler(struct ib_cm_id *cm_id, struct ib_cm_event *ib_event)
event.param.conn.private_data_len = IB_CM_REJ_PRIVATE_DATA_SIZE;
break;
default:
printk(KERN_ERR "RDMA CMA: unexpected IB CM event: %d\n",
pr_err("RDMA CMA: unexpected IB CM event: %d\n",
ib_event->event);
goto out;
}
Expand Down Expand Up @@ -2186,8 +2186,8 @@ static void cma_listen_on_dev(struct rdma_id_private *id_priv,

ret = rdma_listen(id, id_priv->backlog);
if (ret)
printk(KERN_WARNING "RDMA CMA: cma_listen_on_dev, error %d, "
"listening on device %s\n", ret, cma_dev->device->name);
pr_warn("RDMA CMA: cma_listen_on_dev, error %d, listening on device %s\n",
ret, cma_dev->device->name);
}

static void cma_listen_on_all(struct rdma_id_private *id_priv)
Expand Down Expand Up @@ -3239,7 +3239,7 @@ static int cma_sidr_rep_handler(struct ib_cm_id *cm_id,
event.status = 0;
break;
default:
printk(KERN_ERR "RDMA CMA: unexpected IB CM event: %d\n",
pr_err("RDMA CMA: unexpected IB CM event: %d\n",
ib_event->event);
goto out;
}
Expand Down Expand Up @@ -4003,8 +4003,8 @@ static int cma_netdev_change(struct net_device *ndev, struct rdma_id_private *id
if ((dev_addr->bound_dev_if == ndev->ifindex) &&
(net_eq(dev_net(ndev), dev_addr->net)) &&
memcmp(dev_addr->src_dev_addr, ndev->dev_addr, ndev->addr_len)) {
printk(KERN_INFO "RDMA CM addr change for ndev %s used by id %p\n",
ndev->name, &id_priv->id);
pr_info("RDMA CM addr change for ndev %s used by id %p\n",
ndev->name, &id_priv->id);
work = kzalloc(sizeof *work, GFP_KERNEL);
if (!work)
return -ENOMEM;
Expand Down Expand Up @@ -4287,7 +4287,7 @@ static int __init cma_init(void)
goto err;

if (ibnl_add_client(RDMA_NL_RDMA_CM, RDMA_NL_RDMA_CM_NUM_OPS, cma_cb_table))
printk(KERN_WARNING "RDMA CMA: failed to add netlink callback\n");
pr_warn("RDMA CMA: failed to add netlink callback\n");
cma_configfs_init();

return 0;
Expand Down
28 changes: 14 additions & 14 deletions drivers/infiniband/core/device.c
Original file line number Diff line number Diff line change
Expand Up @@ -115,8 +115,8 @@ static int ib_device_check_mandatory(struct ib_device *device)

for (i = 0; i < ARRAY_SIZE(mandatory_table); ++i) {
if (!*(void **) ((void *) device + mandatory_table[i].offset)) {
printk(KERN_WARNING "Device %s is missing mandatory function %s\n",
device->name, mandatory_table[i].name);
pr_warn("Device %s is missing mandatory function %s\n",
device->name, mandatory_table[i].name);
return -EINVAL;
}
}
Expand Down Expand Up @@ -255,8 +255,8 @@ static int add_client_context(struct ib_device *device, struct ib_client *client

context = kmalloc(sizeof *context, GFP_KERNEL);
if (!context) {
printk(KERN_WARNING "Couldn't allocate client context for %s/%s\n",
device->name, client->name);
pr_warn("Couldn't allocate client context for %s/%s\n",
device->name, client->name);
return -ENOMEM;
}

Expand Down Expand Up @@ -343,29 +343,29 @@ int ib_register_device(struct ib_device *device,

ret = read_port_immutable(device);
if (ret) {
printk(KERN_WARNING "Couldn't create per port immutable data %s\n",
device->name);
pr_warn("Couldn't create per port immutable data %s\n",
device->name);
goto out;
}

ret = ib_cache_setup_one(device);
if (ret) {
printk(KERN_WARNING "Couldn't set up InfiniBand P_Key/GID cache\n");
pr_warn("Couldn't set up InfiniBand P_Key/GID cache\n");
goto out;
}

memset(&device->attrs, 0, sizeof(device->attrs));
ret = device->query_device(device, &device->attrs, &uhw);
if (ret) {
printk(KERN_WARNING "Couldn't query the device attributes\n");
pr_warn("Couldn't query the device attributes\n");
ib_cache_cleanup_one(device);
goto out;
}

ret = ib_device_register_sysfs(device, port_callback);
if (ret) {
printk(KERN_WARNING "Couldn't register device %s with driver model\n",
device->name);
pr_warn("Couldn't register device %s with driver model\n",
device->name);
ib_cache_cleanup_one(device);
goto out;
}
Expand Down Expand Up @@ -566,8 +566,8 @@ void ib_set_client_data(struct ib_device *device, struct ib_client *client,
goto out;
}

printk(KERN_WARNING "No client context found for %s/%s\n",
device->name, client->name);
pr_warn("No client context found for %s/%s\n",
device->name, client->name);

out:
spin_unlock_irqrestore(&device->client_data_lock, flags);
Expand Down Expand Up @@ -960,13 +960,13 @@ static int __init ib_core_init(void)

ret = class_register(&ib_class);
if (ret) {
printk(KERN_WARNING "Couldn't create InfiniBand device class\n");
pr_warn("Couldn't create InfiniBand device class\n");
goto err_comp;
}

ret = ibnl_init();
if (ret) {
printk(KERN_WARNING "Couldn't init IB netlink interface\n");
pr_warn("Couldn't init IB netlink interface\n");
goto err_sysfs;
}

Expand Down
37 changes: 15 additions & 22 deletions drivers/infiniband/core/fmr_pool.c
Original file line number Diff line number Diff line change
Expand Up @@ -150,8 +150,8 @@ static void ib_fmr_batch_release(struct ib_fmr_pool *pool)

#ifdef DEBUG
if (fmr->ref_count !=0) {
printk(KERN_WARNING PFX "Unmapping FMR 0x%08x with ref count %d\n",
fmr, fmr->ref_count);
pr_warn(PFX "Unmapping FMR 0x%08x with ref count %d\n",
fmr, fmr->ref_count);
}
#endif
}
Expand All @@ -167,7 +167,7 @@ static void ib_fmr_batch_release(struct ib_fmr_pool *pool)

ret = ib_unmap_fmr(&fmr_list);
if (ret)
printk(KERN_WARNING PFX "ib_unmap_fmr returned %d\n", ret);
pr_warn(PFX "ib_unmap_fmr returned %d\n", ret);

spin_lock_irq(&pool->pool_lock);
list_splice(&unmap_list, &pool->free_list);
Expand Down Expand Up @@ -222,8 +222,7 @@ struct ib_fmr_pool *ib_create_fmr_pool(struct ib_pd *pd,
device = pd->device;
if (!device->alloc_fmr || !device->dealloc_fmr ||
!device->map_phys_fmr || !device->unmap_fmr) {
printk(KERN_INFO PFX "Device %s does not support FMRs\n",
device->name);
pr_info(PFX "Device %s does not support FMRs\n", device->name);
return ERR_PTR(-ENOSYS);
}

Expand All @@ -233,13 +232,10 @@ struct ib_fmr_pool *ib_create_fmr_pool(struct ib_pd *pd,
max_remaps = device->attrs.max_map_per_fmr;

pool = kmalloc(sizeof *pool, GFP_KERNEL);
if (!pool) {
printk(KERN_WARNING PFX "couldn't allocate pool struct\n");
if (!pool)
return ERR_PTR(-ENOMEM);
}

pool->cache_bucket = NULL;

pool->flush_function = params->flush_function;
pool->flush_arg = params->flush_arg;

Expand All @@ -251,7 +247,7 @@ struct ib_fmr_pool *ib_create_fmr_pool(struct ib_pd *pd,
kmalloc(IB_FMR_HASH_SIZE * sizeof *pool->cache_bucket,
GFP_KERNEL);
if (!pool->cache_bucket) {
printk(KERN_WARNING PFX "Failed to allocate cache in pool\n");
pr_warn(PFX "Failed to allocate cache in pool\n");
ret = -ENOMEM;
goto out_free_pool;
}
Expand All @@ -275,7 +271,7 @@ struct ib_fmr_pool *ib_create_fmr_pool(struct ib_pd *pd,
"ib_fmr(%s)",
device->name);
if (IS_ERR(pool->thread)) {
printk(KERN_WARNING PFX "couldn't start cleanup thread\n");
pr_warn(PFX "couldn't start cleanup thread\n");
ret = PTR_ERR(pool->thread);
goto out_free_pool;
}
Expand All @@ -294,11 +290,8 @@ struct ib_fmr_pool *ib_create_fmr_pool(struct ib_pd *pd,

for (i = 0; i < params->pool_size; ++i) {
fmr = kmalloc(bytes_per_fmr, GFP_KERNEL);
if (!fmr) {
printk(KERN_WARNING PFX "failed to allocate fmr "
"struct for FMR %d\n", i);
if (!fmr)
goto out_fail;
}

fmr->pool = pool;
fmr->remap_count = 0;
Expand All @@ -307,8 +300,8 @@ struct ib_fmr_pool *ib_create_fmr_pool(struct ib_pd *pd,

fmr->fmr = ib_alloc_fmr(pd, params->access, &fmr_attr);
if (IS_ERR(fmr->fmr)) {
printk(KERN_WARNING PFX "fmr_create failed "
"for FMR %d\n", i);
pr_warn(PFX "fmr_create failed for FMR %d\n",
i);
kfree(fmr);
goto out_fail;
}
Expand Down Expand Up @@ -363,8 +356,8 @@ void ib_destroy_fmr_pool(struct ib_fmr_pool *pool)
}

if (i < pool->pool_size)
printk(KERN_WARNING PFX "pool still has %d regions registered\n",
pool->pool_size - i);
pr_warn(PFX "pool still has %d regions registered\n",
pool->pool_size - i);

kfree(pool->cache_bucket);
kfree(pool);
Expand Down Expand Up @@ -463,7 +456,7 @@ struct ib_pool_fmr *ib_fmr_pool_map_phys(struct ib_fmr_pool *pool_handle,
list_add(&fmr->list, &pool->free_list);
spin_unlock_irqrestore(&pool->pool_lock, flags);

printk(KERN_WARNING PFX "fmr_map returns %d\n", result);
pr_warn(PFX "fmr_map returns %d\n", result);

return ERR_PTR(result);
}
Expand Down Expand Up @@ -517,8 +510,8 @@ int ib_fmr_pool_unmap(struct ib_pool_fmr *fmr)

#ifdef DEBUG
if (fmr->ref_count < 0)
printk(KERN_WARNING PFX "FMR %p has ref count %d < 0\n",
fmr, fmr->ref_count);
pr_warn(PFX "FMR %p has ref count %d < 0\n",
fmr, fmr->ref_count);
#endif

spin_unlock_irqrestore(&pool->pool_lock, flags);
Expand Down
14 changes: 6 additions & 8 deletions drivers/infiniband/core/packer.c
Original file line number Diff line number Diff line change
Expand Up @@ -44,7 +44,7 @@ static u64 value_read(int offset, int size, void *structure)
case 4: return be32_to_cpup((__be32 *) (structure + offset));
case 8: return be64_to_cpup((__be64 *) (structure + offset));
default:
printk(KERN_WARNING "Field size %d bits not handled\n", size * 8);
pr_warn("Field size %d bits not handled\n", size * 8);
return 0;
}
}
Expand Down Expand Up @@ -104,9 +104,8 @@ void ib_pack(const struct ib_field *desc,
} else {
if (desc[i].offset_bits % 8 ||
desc[i].size_bits % 8) {
printk(KERN_WARNING "Structure field %s of size %d "
"bits is not byte-aligned\n",
desc[i].field_name, desc[i].size_bits);
pr_warn("Structure field %s of size %d bits is not byte-aligned\n",
desc[i].field_name, desc[i].size_bits);
}

if (desc[i].struct_size_bytes)
Expand All @@ -132,7 +131,7 @@ static void value_write(int offset, int size, u64 val, void *structure)
case 32: *(__be32 *) (structure + offset) = cpu_to_be32(val); break;
case 64: *(__be64 *) (structure + offset) = cpu_to_be64(val); break;
default:
printk(KERN_WARNING "Field size %d bits not handled\n", size * 8);
pr_warn("Field size %d bits not handled\n", size * 8);
}
}

Expand Down Expand Up @@ -188,9 +187,8 @@ void ib_unpack(const struct ib_field *desc,
} else {
if (desc[i].offset_bits % 8 ||
desc[i].size_bits % 8) {
printk(KERN_WARNING "Structure field %s of size %d "
"bits is not byte-aligned\n",
desc[i].field_name, desc[i].size_bits);
pr_warn("Structure field %s of size %d bits is not byte-aligned\n",
desc[i].field_name, desc[i].size_bits);
}

memcpy(structure + desc[i].struct_offset_bytes,
Expand Down
11 changes: 5 additions & 6 deletions drivers/infiniband/core/sa_query.c
Original file line number Diff line number Diff line change
Expand Up @@ -864,13 +864,12 @@ static void update_sm_ah(struct work_struct *work)
struct ib_ah_attr ah_attr;

if (ib_query_port(port->agent->device, port->port_num, &port_attr)) {
printk(KERN_WARNING "Couldn't query port\n");
pr_warn("Couldn't query port\n");
return;
}

new_ah = kmalloc(sizeof *new_ah, GFP_KERNEL);
if (!new_ah) {
printk(KERN_WARNING "Couldn't allocate new SM AH\n");
return;
}

Expand All @@ -880,7 +879,7 @@ static void update_sm_ah(struct work_struct *work)
new_ah->pkey_index = 0;
if (ib_find_pkey(port->agent->device, port->port_num,
IB_DEFAULT_PKEY_FULL, &new_ah->pkey_index))
printk(KERN_ERR "Couldn't find index for default PKey\n");
pr_err("Couldn't find index for default PKey\n");

memset(&ah_attr, 0, sizeof ah_attr);
ah_attr.dlid = port_attr.sm_lid;
Expand All @@ -889,7 +888,7 @@ static void update_sm_ah(struct work_struct *work)

new_ah->ah = ib_create_ah(port->agent->qp->pd, &ah_attr);
if (IS_ERR(new_ah->ah)) {
printk(KERN_WARNING "Couldn't create new SM AH\n");
pr_warn("Couldn't create new SM AH\n");
kfree(new_ah);
return;
}
Expand Down Expand Up @@ -1800,13 +1799,13 @@ static int __init ib_sa_init(void)

ret = ib_register_client(&sa_client);
if (ret) {
printk(KERN_ERR "Couldn't register ib_sa client\n");
pr_err("Couldn't register ib_sa client\n");
goto err1;
}

ret = mcast_init();
if (ret) {
printk(KERN_ERR "Couldn't initialize multicast handling\n");
pr_err("Couldn't initialize multicast handling\n");
goto err2;
}

Expand Down
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