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@xxxxxxxxx> --- crypto/rsa-pkcs1pad.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/crypto/rsa-pkcs1pad.c b/crypto/rsa-pkcs1pad.c index 2908f93..9893dbf 100644 --- a/crypto/rsa-pkcs1pad.c +++ b/crypto/rsa-pkcs1pad.c @@ -192,7 +192,7 @@ static int pkcs1pad_encrypt_sign_complete(struct akcipher_request *req, int err) if (likely(!pad_len)) goto out; - out_buf = kzalloc(ctx->key_size, GFP_ATOMIC); + out_buf = kzalloc(ctx->key_size, GFP_KERNEL); err = -ENOMEM; if (!out_buf) goto out; -- 1.7.9.5
