linux-kernel - [PATCH 5.4 027/408] chelsio/chtls: correct function return and return type

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Date:   Tue, 27 Oct 2020 14:49:25 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Vinay Kumar Yadav <vinay.yadav@...lsio.com>,
        Jakub Kicinski <kuba@...nel.org>
Subject: [PATCH 5.4 027/408] chelsio/chtls: correct function return and return type

From: Vinay Kumar Yadav <vinay.yadav@...lsio.com>

[ Upstream commit 8580a61aede28d441e1c80588803411ee86aa299 ]

csk_mem_free() should return true if send buffer is available,
false otherwise.

Fixes: 3b8305f5c844 ("crypto: chtls - wait for memory sendmsg, sendpage")
Signed-off-by: Vinay Kumar Yadav <vinay.yadav@...lsio.com>
Signed-off-by: Jakub Kicinski <kuba@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/crypto/chelsio/chtls/chtls_io.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/crypto/chelsio/chtls/chtls_io.c
+++ b/drivers/crypto/chelsio/chtls/chtls_io.c
@@ -910,9 +910,9 @@ static int tls_header_read(struct tls_hd
 	return (__force int)cpu_to_be16(thdr->length);
 }
 
-static int csk_mem_free(struct chtls_dev *cdev, struct sock *sk)
+static bool csk_mem_free(struct chtls_dev *cdev, struct sock *sk)
 {
-	return (cdev->max_host_sndbuf - sk->sk_wmem_queued);
+	return (cdev->max_host_sndbuf - sk->sk_wmem_queued > 0);
 }
 
 static int csk_wait_memory(struct chtls_dev *cdev,