linux-kernel - [PATCH] staging: rtl8723bs: core: Replace macros RotR1 through Mk16 with static inline functions

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20221017171653.12578-1-bpappas@pappasbrent.com>
Date:   Mon, 17 Oct 2022 13:16:54 -0400
From:   Brent Pappas <bpappas@...pasbrent.com>
To:     gregkh@...uxfoundation.org
Cc:     linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Brent Pappas <pappasbrent@...il.com>,
        Brent Pappas <bpappas@...pasbrent.com>
Subject: [PATCH] staging: rtl8723bs: core: Replace macros RotR1 through Mk16 with static inline functions

From: Brent Pappas <pappasbrent@...il.com>

Replace macros "RotR1", "Lo8", "Hi8", "Lo16", "Hi16", and "Mk16" with
static inline functions to comply with Linux coding style standards.

Signed-off-by: Brent Pappas <bpappas@...pasbrent.com>
---
 drivers/staging/rtl8723bs/core/rtw_security.c | 35 +++++++++++++++----
 1 file changed, 29 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/rtl8723bs/core/rtw_security.c b/drivers/staging/rtl8723bs/core/rtw_security.c
index ac731415f733..519e141fb82c 100644
--- a/drivers/staging/rtl8723bs/core/rtw_security.c
+++ b/drivers/staging/rtl8723bs/core/rtw_security.c
@@ -253,12 +253,35 @@ void rtw_seccalctkipmic(u8 *key, u8 *header, u8 *data, u32 data_len, u8 *mic_cod
 }
 
 /* macros for extraction/creation of unsigned char/unsigned short values  */
-#define RotR1(v16)   ((((v16) >> 1) & 0x7FFF) ^ (((v16) & 1) << 15))
-#define   Lo8(v16)   ((u8)((v16)       & 0x00FF))
-#define   Hi8(v16)   ((u8)(((v16) >> 8) & 0x00FF))
-#define  Lo16(v32)   ((u16)((v32)       & 0xFFFF))
-#define  Hi16(v32)   ((u16)(((v32) >> 16) & 0xFFFF))
-#define  Mk16(hi, lo) ((lo) ^ (((u16)(hi)) << 8))
+static inline u16 RotR1(u16 v16)
+{
+	return ((((v16) >> 1) & 0x7FFF) ^ (((v16) & 1) << 15));
+}
+
+static inline u8 Lo8(u16 v16)
+{
+	return ((u8)((v16)       & 0x00FF));
+}
+
+static inline u8 Hi8(u16 v16)
+{
+	return ((u8)(((v16) >> 8) & 0x00FF));
+}
+
+static inline u16 Lo16(u32 v32)
+{
+	return ((u16)((v32)       & 0xFFFF));
+}
+
+static inline u32 Hi16(u32 v32)
+{
+	return ((u16)(((v32) >> 16) & 0xFFFF));
+}
+
+static u16 Mk16(u8 hi, u8 lo)
+{
+	return ((lo) ^ (((u16)(hi)) << 8));
+}
 
 /* select the Nth 16-bit word of the temporal key unsigned char array TK[]   */
 #define  TK16(N)     Mk16(tk[2*(N)+1], tk[2*(N)])
-- 
2.34.1