From 3a32ce507a942962f81cae8abec9ef0d0647d127 Mon Sep 17 00:00:00 2001 From: Herbert Xu Date: Wed, 29 Jun 2016 19:32:26 +0800 Subject: [PATCH] crypto: rsa-pkcs1pad - Always use GFP_KERNEL We don't currently support using akcipher in atomic contexts, so GFP_KERNEL should always be used. Signed-off-by: Herbert Xu --- crypto/rsa-pkcs1pad.c | 22 ++++++---------------- 1 file changed, 6 insertions(+), 16 deletions(-) diff --git a/crypto/rsa-pkcs1pad.c b/crypto/rsa-pkcs1pad.c index d9baefb7d5d1..db19284f2e2b 100644 --- a/crypto/rsa-pkcs1pad.c +++ b/crypto/rsa-pkcs1pad.c @@ -260,8 +260,7 @@ static int pkcs1pad_encrypt(struct akcipher_request *req) req_ctx->child_req.dst_len = ctx->key_size; req_ctx->in_buf = kmalloc(ctx->key_size - 1 - req->src_len, - (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ? - GFP_KERNEL : GFP_ATOMIC); + GFP_KERNEL); if (!req_ctx->in_buf) return -ENOMEM; @@ -274,9 +273,7 @@ static int pkcs1pad_encrypt(struct akcipher_request *req) pkcs1pad_sg_set_buf(req_ctx->in_sg, req_ctx->in_buf, ctx->key_size - 1 - req->src_len, req->src); - req_ctx->out_buf = kmalloc(ctx->key_size, - (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ? - GFP_KERNEL : GFP_ATOMIC); + req_ctx->out_buf = kmalloc(ctx->key_size, GFP_KERNEL); if (!req_ctx->out_buf) { kfree(req_ctx->in_buf); return -ENOMEM; @@ -379,9 +376,7 @@ static int pkcs1pad_decrypt(struct akcipher_request *req) req_ctx->child_req.dst = req_ctx->out_sg; req_ctx->child_req.dst_len = ctx->key_size ; - req_ctx->out_buf = kmalloc(ctx->key_size, - (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ? - GFP_KERNEL : GFP_ATOMIC); + req_ctx->out_buf = kmalloc(ctx->key_size, GFP_KERNEL); if (!req_ctx->out_buf) return -ENOMEM; @@ -438,8 +433,7 @@ static int pkcs1pad_sign(struct akcipher_request *req) req_ctx->child_req.dst_len = ctx->key_size; req_ctx->in_buf = kmalloc(ctx->key_size - 1 - req->src_len, - (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ? - GFP_KERNEL : GFP_ATOMIC); + GFP_KERNEL); if (!req_ctx->in_buf) return -ENOMEM; @@ -454,9 +448,7 @@ static int pkcs1pad_sign(struct akcipher_request *req) pkcs1pad_sg_set_buf(req_ctx->in_sg, req_ctx->in_buf, ctx->key_size - 1 - req->src_len, req->src); - req_ctx->out_buf = kmalloc(ctx->key_size, - (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ? - GFP_KERNEL : GFP_ATOMIC); + req_ctx->out_buf = kmalloc(ctx->key_size, GFP_KERNEL); if (!req_ctx->out_buf) { kfree(req_ctx->in_buf); return -ENOMEM; @@ -577,9 +569,7 @@ static int pkcs1pad_verify(struct akcipher_request *req) req_ctx->child_req.dst = req_ctx->out_sg; req_ctx->child_req.dst_len = ctx->key_size; - req_ctx->out_buf = kmalloc(ctx->key_size, - (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ? - GFP_KERNEL : GFP_ATOMIC); + req_ctx->out_buf = kmalloc(ctx->key_size, GFP_KERNEL); if (!req_ctx->out_buf) return -ENOMEM; -- 2.20.1