linux-kernel - [PATCH 39/42] staging: rtl8188eu: Use round

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Date:	Sun, 22 Jun 2014 14:21:43 +0530
From:	navin patidar <navin.patidar@...il.com>
To:	gregkh@...uxfoundation.org
Cc:	Larry.Finger@...inger.net, devel@...verdev.osuosl.org,
	linux-kernel@...r.kernel.org,
	navin patidar <navin.patidar@...il.com>
Subject: [PATCH 39/42] staging: rtl8188eu: Use round_up() instead of RND4()

Signed-off-by: navin patidar <navin.patidar@...il.com>
---
 drivers/staging/rtl8188eu/core/rtw_security.c     |    6 +++---
 drivers/staging/rtl8188eu/core/rtw_xmit.c         |    4 ++--
 drivers/staging/rtl8188eu/hal/rtl8188eu_xmit.c    |    2 +-
 drivers/staging/rtl8188eu/include/osdep_service.h |    2 --
 4 files changed, 6 insertions(+), 8 deletions(-)

diff --git a/drivers/staging/rtl8188eu/core/rtw_security.c b/drivers/staging/rtl8188eu/core/rtw_security.c
index 1b64cb6..d78def5 100644
--- a/drivers/staging/rtl8188eu/core/rtw_security.c
+++ b/drivers/staging/rtl8188eu/core/rtw_security.c
@@ -189,7 +189,7 @@ void rtw_wep_encrypt(struct adapter *padapter, u8 *pxmitframe)
 				arcfour_encrypt(&mycontext, payload+length, crc, 4);
 
 				pframe += pxmitpriv->frag_len;
-				pframe = (u8 *)RND4((size_t)(pframe));
+				pframe = (u8 *) round_up((size_t)(pframe), 4);
 			}
 		}
 	}
@@ -628,7 +628,7 @@ u32	rtw_tkip_encrypt(struct adapter *padapter, u8 *pxmitframe)
 					arcfour_encrypt(&mycontext, payload+length, crc, 4);
 
 					pframe += pxmitpriv->frag_len;
-					pframe = (u8 *)RND4((size_t)(pframe));
+					pframe = (u8 *) round_up((size_t)(pframe), 4);
 				}
 			}
 		} else {
@@ -1242,7 +1242,7 @@ u32	rtw_aes_encrypt(struct adapter *padapter, u8 *pxmitframe)
 
 					aes_cipher(prwskey, pattrib->hdrlen, pframe, length);
 					pframe += pxmitpriv->frag_len;
-					pframe = (u8 *)RND4((size_t)(pframe));
+					pframe = (u8 *) round_up((size_t)(pframe), 8);
 				}
 			}
 		} else{
diff --git a/drivers/staging/rtl8188eu/core/rtw_xmit.c b/drivers/staging/rtl8188eu/core/rtw_xmit.c
index 3a40b2a..95c508a 100644
--- a/drivers/staging/rtl8188eu/core/rtw_xmit.c
+++ b/drivers/staging/rtl8188eu/core/rtw_xmit.c
@@ -692,7 +692,7 @@ static s32 xmitframe_addmic(struct adapter *padapter, struct xmit_frame *pxmitfr
 			payload = pframe;
 
 			for (curfragnum = 0; curfragnum < pattrib->nr_frags; curfragnum++) {
-				payload = (u8 *)RND4((size_t)(payload));
+				payload = (u8 *) round_up((size_t)(payload), 4);
 				RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
 					 ("=== curfragnum=%d, pframe = 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x,!!!\n",
 					 curfragnum, *payload, *(payload+1),
@@ -1099,7 +1099,7 @@ s32 rtw_xmitframe_coalesce(struct adapter *padapter, struct sk_buff *pkt, struct
 
 		addr = (size_t)(pframe);
 
-		mem_start = (unsigned char *)RND4(addr) + hw_hdr_offset;
+		mem_start = (unsigned char *) round_up(addr, 4) + hw_hdr_offset;
 		memcpy(mem_start, pbuf_start + hw_hdr_offset, pattrib->hdrlen);
 	}
 
diff --git a/drivers/staging/rtl8188eu/hal/rtl8188eu_xmit.c b/drivers/staging/rtl8188eu/hal/rtl8188eu_xmit.c
index 902bbe0..7004e0b 100644
--- a/drivers/staging/rtl8188eu/hal/rtl8188eu_xmit.c
+++ b/drivers/staging/rtl8188eu/hal/rtl8188eu_xmit.c
@@ -401,7 +401,7 @@ static s32 rtw_dump_xframe(struct adapter *adapt, struct xmit_frame *pxmitframe)
 
 		mem_addr += w_sz;
 
-		mem_addr = (u8 *)RND4(((size_t)(mem_addr)));
+		mem_addr = (u8 *) round_up((size_t)mem_addr, 4);
 	}
 
 	rtw_free_xmitframe(pxmitpriv, pxmitframe);
diff --git a/drivers/staging/rtl8188eu/include/osdep_service.h b/drivers/staging/rtl8188eu/include/osdep_service.h
index e335471..6c3234b 100644
--- a/drivers/staging/rtl8188eu/include/osdep_service.h
+++ b/drivers/staging/rtl8188eu/include/osdep_service.h
@@ -175,8 +175,6 @@ static inline void flush_signals_thread(void)
 		flush_signals(current);
 }
 
-#define RND4(x)	(((x >> 2) + (((x & 3) == 0) ?  0 : 1)) << 2)
-
 struct rtw_netdev_priv_indicator {
 	void *priv;
 	u32 sizeof_priv;
-- 
1.7.10.4

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