linux-kernel - [PATCH 1/4] staging: r8188eu: convert aes

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Date:   Fri, 11 Nov 2022 09:37:30 +0100
From:   Michael Straube <straube.linux@...il.com>
To:     gregkh@...uxfoundation.org
Cc:     Larry.Finger@...inger.net, phil@...lpotter.co.uk,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Michael Straube <straube.linux@...il.com>
Subject: [PATCH 1/4] staging: r8188eu: convert aes_cipher() to void

The function aes_cipher() returns always _SUCCESS and its callers
do not use the return value. So we can convert the return type to
void and get rid of another use of _SUCCESS.

Signed-off-by: Michael Straube <straube.linux@...il.com>
---
 drivers/staging/r8188eu/core/rtw_security.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/staging/r8188eu/core/rtw_security.c b/drivers/staging/r8188eu/core/rtw_security.c
index 5bba57d18b5f..780019ce1b98 100644
--- a/drivers/staging/r8188eu/core/rtw_security.c
+++ b/drivers/staging/r8188eu/core/rtw_security.c
@@ -954,7 +954,7 @@ static void bitwise_xor(u8 *ina, u8 *inb, u8 *out)
 
 }
 
-static int aes_cipher(u8 *key, uint hdrlen, u8 *pframe, uint plen)
+static void aes_cipher(u8 *key, uint hdrlen, u8 *pframe, uint plen)
 {
 	uint	qc_exists, a4_exists, i, j, payload_remainder,
 		num_blocks, payload_index;
@@ -1083,8 +1083,6 @@ static int aes_cipher(u8 *key, uint hdrlen, u8 *pframe, uint plen)
 	bitwise_xor(aes_out, padded_buffer, chain_buffer);
 	for (j = 0; j < 8; j++)
 		pframe[payload_index++] = chain_buffer[j];
-
-	return _SUCCESS;
 }
 
 u32 rtw_aes_encrypt(struct adapter *padapter, struct xmit_frame *pxmitframe)
-- 
2.38.1