linux-kernel - [PATCH 1/2] staging: rtl8732bs: incorrect type in assignment

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Date:   Mon, 16 Aug 2021 23:05:06 +0530
From:   Aakash Hemadri <aakashhemadri123@...il.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Shuah Khan <skhan@...uxfoundation.org>,
        Bjorn Helgaas <bjorn@...gaas.com>,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] staging: rtl8732bs: incorrect type in assignment

Cast u32 to __le32 with __cpu_to_le32 to fix sparse warning:

warning: incorrect type in assignment (different base types)
expected restricted __le32 [usertype]
got unsigned int

Signed-off-by: Aakash Hemadri <aakashhemadri123@...il.com>
---
 drivers/staging/rtl8723bs/core/rtw_security.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/rtl8723bs/core/rtw_security.c b/drivers/staging/rtl8723bs/core/rtw_security.c
index a99f439328f1..381deeea99d0 100644
--- a/drivers/staging/rtl8723bs/core/rtw_security.c
+++ b/drivers/staging/rtl8723bs/core/rtw_security.c
@@ -8,6 +8,7 @@
 #include <drv_types.h>
 #include <rtw_debug.h>
 #include <crypto/aes.h>
+#include <linux/byteorder/little_endian.h>
 
 static const char * const _security_type_str[] = {
 	"N/A",
@@ -69,7 +70,7 @@ void rtw_wep_encrypt(struct adapter *padapter, u8 *pxmitframe)
 
 				length = pattrib->last_txcmdsz-pattrib->hdrlen-pattrib->iv_len-pattrib->icv_len;
 
-				*((__le32 *)crc) = ~crc32_le(~0, payload, length);
+				*((__le32 *)crc) = __cpu_to_le32(~crc32_le(~0, payload, length));
 
 				arc4_setkey(ctx, wepkey, 3 + keylength);
 				arc4_crypt(ctx, payload, payload, length);
@@ -77,7 +78,7 @@ void rtw_wep_encrypt(struct adapter *padapter, u8 *pxmitframe)
 
 			} else {
 				length = pxmitpriv->frag_len-pattrib->hdrlen-pattrib->iv_len-pattrib->icv_len;
-				*((__le32 *)crc) = ~crc32_le(~0, payload, length);
+				*((__le32 *)crc) = __cpu_to_le32(~crc32_le(~0, payload, length));
 				arc4_setkey(ctx, wepkey, 3 + keylength);
 				arc4_crypt(ctx, payload, payload, length);
 				arc4_crypt(ctx, payload + length, crc, 4);
@@ -506,7 +507,8 @@ u32 rtw_tkip_encrypt(struct adapter *padapter, u8 *pxmitframe)
 
 				if ((curfragnum+1) == pattrib->nr_frags) {	/* 4 the last fragment */
 					length = pattrib->last_txcmdsz-pattrib->hdrlen-pattrib->iv_len-pattrib->icv_len;
-					*((__le32 *)crc) = ~crc32_le(~0, payload, length);
+					*((__le32 *)crc) =
+						__cpu_to_le32(~crc32_le(~0, payload, length));
 
 					arc4_setkey(ctx, rc4key, 16);
 					arc4_crypt(ctx, payload, payload, length);
@@ -514,7 +516,8 @@ u32 rtw_tkip_encrypt(struct adapter *padapter, u8 *pxmitframe)
 
 				} else {
 					length = pxmitpriv->frag_len-pattrib->hdrlen-pattrib->iv_len-pattrib->icv_len;
-					*((__le32 *)crc) = ~crc32_le(~0, payload, length);
+					*((__le32 *)crc) =
+						__cpu_to_le32(~crc32_le(~0, payload, length));
 
 					arc4_setkey(ctx, rc4key, 16);
 					arc4_crypt(ctx, payload, payload, length);
-- 
2.32.0