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 <herbert@gondor.apana.org.au>

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;