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From: Zhen Lei <thunder.leizhen@huawei.com>
To: Philipp Reisner <philipp.reisner@linbit.com>,
	Lars Ellenberg <lars.ellenberg@linbit.com>,
	Jens Axboe <axboe@kernel.dk>,
	drbd-dev <drbd-dev@lists.linbit.com>,
	linux-block <linux-block@vger.kernel.org>
Cc: Zhen Lei <thunder.leizhen@huawei.com>
Subject: [PATCH 1/1] drbd: remove unnecessary oom message
Date: Wed, 9 Jun 2021 20:14:26 +0800	[thread overview]
Message-ID: <20210609121426.13936-1-thunder.leizhen@huawei.com> (raw)

Fixes scripts/checkpatch.pl warning:
WARNING: Possible unnecessary 'out of memory' message

Remove it can help us save a bit of memory.

Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
---
 drivers/block/drbd/drbd_receiver.c | 22 ++++++----------------
 1 file changed, 6 insertions(+), 16 deletions(-)

diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index 69284ebba786..1f740e42e457 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -3770,10 +3770,8 @@ static int receive_protocol(struct drbd_connection *connection, struct packet_in
 	}
 
 	new_net_conf = kmalloc(sizeof(struct net_conf), GFP_KERNEL);
-	if (!new_net_conf) {
-		drbd_err(connection, "Allocation of new net_conf failed\n");
+	if (!new_net_conf)
 		goto disconnect;
-	}
 
 	mutex_lock(&connection->data.mutex);
 	mutex_lock(&connection->resource->conf_update);
@@ -4020,10 +4018,8 @@ static int receive_SyncParam(struct drbd_connection *connection, struct packet_i
 
 		if (verify_tfm || csums_tfm) {
 			new_net_conf = kzalloc(sizeof(struct net_conf), GFP_KERNEL);
-			if (!new_net_conf) {
-				drbd_err(device, "Allocation of new net_conf failed\n");
+			if (!new_net_conf)
 				goto disconnect;
-			}
 
 			*new_net_conf = *old_net_conf;
 
@@ -4161,7 +4157,6 @@ static int receive_sizes(struct drbd_connection *connection, struct packet_info
 
 			new_disk_conf = kzalloc(sizeof(struct disk_conf), GFP_KERNEL);
 			if (!new_disk_conf) {
-				drbd_err(device, "Allocation of new disk_conf failed\n");
 				put_ldev(device);
 				return -ENOMEM;
 			}
@@ -4288,10 +4283,8 @@ static int receive_uuids(struct drbd_connection *connection, struct packet_info
 	device = peer_device->device;
 
 	p_uuid = kmalloc_array(UI_EXTENDED_SIZE, sizeof(*p_uuid), GFP_NOIO);
-	if (!p_uuid) {
-		drbd_err(device, "kmalloc of p_uuid failed\n");
+	if (!p_uuid)
 		return false;
-	}
 
 	for (i = UI_CURRENT; i < UI_EXTENDED_SIZE; i++)
 		p_uuid[i] = be64_to_cpu(p->uuid[i]);
@@ -5484,8 +5477,7 @@ static int drbd_do_auth(struct drbd_connection *connection)
 	}
 
 	peers_ch = kmalloc(pi.size, GFP_NOIO);
-	if (peers_ch == NULL) {
-		drbd_err(connection, "kmalloc of peers_ch failed\n");
+	if (!peers_ch) {
 		rv = -1;
 		goto fail;
 	}
@@ -5504,8 +5496,7 @@ static int drbd_do_auth(struct drbd_connection *connection)
 
 	resp_size = crypto_shash_digestsize(connection->cram_hmac_tfm);
 	response = kmalloc(resp_size, GFP_NOIO);
-	if (response == NULL) {
-		drbd_err(connection, "kmalloc of response failed\n");
+	if (!response) {
 		rv = -1;
 		goto fail;
 	}
@@ -5552,8 +5543,7 @@ static int drbd_do_auth(struct drbd_connection *connection)
 	}
 
 	right_response = kmalloc(resp_size, GFP_NOIO);
-	if (right_response == NULL) {
-		drbd_err(connection, "kmalloc of right_response failed\n");
+	if (!right_response) {
 		rv = -1;
 		goto fail;
 	}
-- 
2.25.1



             reply	other threads:[~2021-06-09 12:14 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-09 12:14 Zhen Lei [this message]
2021-06-09 15:42 ` Jens Axboe

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