[PATCH 4.19 018/264] chelsio/chtls: correct function return and return type

[Greg Kroah-Hartman]

From: Vinay Kumar Yadav <vinay.yadav@xxxxxxxxxxx>

[ 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@xxxxxxxxxxx>
Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 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
@@ -914,9 +914,9 @@ 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,