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__virtio_crypto_ablkcipher_do_req() is never called in atomic context. __virtio_crypto_ablkcipher_do_req() is only called by virtio_crypto_ablkcipher_crypt_req(), which is only called by virtcrypto_find_vqs() that is never called in atomic context. __virtio_crypto_ablkcipher_do_req() calls kzalloc_node() with GFP_ATOMIC, which is not necessary. GFP_ATOMIC can be replaced with GFP_KERNEL. This is found by a static analysis tool named DCNS written by myself. I also manually check the kernel code before reporting it. Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>