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tipc: use consistent GFP flags 

Some functions, like tipc_crypto_start use inconsisten GFP flags
when allocating memory. The mentioned function use GFP_ATOMIC to
to alloc a crypto instance, and then calls alloc_ordered_workqueue()
which allocates memory with GFP_KERNEL. tipc_aead_init() function
even uses GFP_KERNEL and GFP_ATOMIC interchangeably.
No doc comment specifies what context a function is designed to
work in, but the flags should at least be consistent within a function.

Cc: Jon Maloy <jmaloy@redhat.com>
Cc: Ying Xue <ying.xue@windriver.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: netdev@vger.kernel.org
Cc: tipc-discussion@lists.sourceforge.net
Cc: linux-kernel@vger.kernel.org

Signed-off-by: Tadeusz Struk <tadeusz.struk@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tadeusz Struk 2021-11-11 12:59:16 -08:00 committed by David S. Miller
parent 1aa3b2207e
commit 86c3a3e964
1 changed files with 4 additions and 4 deletions
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8
net/tipc/crypto.c
View File

@ -524,7 +524,7 @@ static int tipc_aead_init(struct tipc_aead **aead, struct tipc_aead_key *ukey,
return -EEXIST;
/* Allocate a new AEAD */
tmp = kzalloc(sizeof(*tmp), GFP_ATOMIC);
tmp = kzalloc(sizeof(*tmp), GFP_KERNEL);
if (unlikely(!tmp))
return -ENOMEM;
@ -1470,7 +1470,7 @@ int tipc_crypto_start(struct tipc_crypto **crypto, struct net *net,
return -EEXIST;
/* Allocate crypto */
c = kzalloc(sizeof(*c), GFP_ATOMIC);
c = kzalloc(sizeof(*c), GFP_KERNEL);
if (!c)
return -ENOMEM;
@ -1484,7 +1484,7 @@ int tipc_crypto_start(struct tipc_crypto **crypto, struct net *net,
}
/* Allocate statistic structure */
c->stats = alloc_percpu_gfp(struct tipc_crypto_stats, GFP_ATOMIC);
c->stats = alloc_percpu(struct tipc_crypto_stats);
if (!c->stats) {
if (c->wq)
destroy_workqueue(c->wq);
@ -2457,7 +2457,7 @@ static void tipc_crypto_work_tx(struct work_struct *work)
}
/* Lets duplicate it first */
skey = kmemdup(aead->key, tipc_aead_key_size(aead->key), GFP_ATOMIC);
skey = kmemdup(aead->key, tipc_aead_key_size(aead->key), GFP_KERNEL);
rcu_read_unlock();
/* Now, generate new key, initiate & distribute it */