Bluetooth: Delete error messages for failed memory allocations in two functions

Omit two extra messages for memory allocation failures in these functions.

This issue was detected by using the Coccinelle software.

Link: http://events.linuxfoundation.org/sites/events/files/slides/LCJ16-Refactor_Strings-WSang_0.pdfSigned-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

net/bluetooth/ecdh_helper.c

@@ -89,11 +89,9 @@ bool compute_ecdh_secret(const u8 public_key[64], const u8 private_key[32],
 	p.curve_id = ECC_CURVE_NIST_P256;
 	buf_len = crypto_ecdh_key_len(&p);
 	buf = kmalloc(buf_len, GFP_KERNEL);
-	if (!buf) {
-		pr_err("alg: kpp: Failed to allocate %d bytes for buf\n",
-		       buf_len);
+	if (!buf)
 		goto free_req;
-	}
+
 	crypto_ecdh_encode_key(buf, buf_len, &p);
 
 	/* Set A private Key */
@@ -170,11 +168,8 @@ bool generate_ecdh_keys(u8 public_key[64], u8 private_key[32])
 	p.key_size = 32;
 	buf_len = crypto_ecdh_key_len(&p);
 	buf = kmalloc(buf_len, GFP_KERNEL);
-	if (!buf) {
-		pr_err("alg: kpp: Failed to allocate %d bytes for buf\n",
-		       buf_len);
+	if (!buf)
 		goto free_req;
-	}
 
 	do {
 		if (tries++ >= max_tries)