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crypto: rsa-pkcs1pad - Replace GFP_ATOMIC with GFP_KERNEL in pkcs1pad_encrypt_sign_complete 

After checking all possible call chains to kzalloc here,
my tool finds that this kzalloc is never called in atomic context.
Thus GFP_ATOMIC is not necessary, and it can be replaced with GFP_KERNEL.

This is found by a static analysis tool named DCNS written by myself.

Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Jia-Ju Bai 2018-01-25 17:57:54 +08:00 committed by Herbert Xu
parent c7f582f5de
commit 1ca2809897
1 changed files with 1 additions and 1 deletions
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2
crypto/rsa-pkcs1pad.c
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@ -192,7 +192,7 @@ static int pkcs1pad_encrypt_sign_complete(struct akcipher_request *req, int err)
if (likely(!pad_len)) if (likely(!pad_len))
goto out; goto out;
out_buf = kzalloc(ctx->key_size, GFP_ATOMIC); out_buf = kzalloc(ctx->key_size, GFP_KERNEL);
err = -ENOMEM; err = -ENOMEM;
if (!out_buf) if (!out_buf)
goto out; goto out;