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Groups > linux.kernel > #1588352

[PATCH v4] staging: xgifb: correct the multiple line dereference

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Error was reported by checkpatch.pl as "Avoid multiple line
dereference".And If there is boolean operator then it is
fixed by Splitting line at boolean operator to satisfy coding
style.

Signed-off-by: Arushi Singhal <arushisinghal19971997@gmail.com>
---
changes in v4
  - changes done such that no other errors can generate.
  - Improve the coding style.

 drivers/staging/xgifb/XGI_main_26.c | 30 +++++++-----------------------
 drivers/staging/xgifb/vb_setmode.c  | 14 +++++++-------
 2 files changed, 14 insertions(+), 30 deletions(-)

diff --git a/drivers/staging/xgifb/XGI_main_26.c b/drivers/staging/xgifb/XGI_main_26.c
index 6930f7eb741b..825f7dcd2f49 100644
--- a/drivers/staging/xgifb/XGI_main_26.c
+++ b/drivers/staging/xgifb/XGI_main_26.c
@@ -878,30 +878,14 @@ static void XGIfb_post_setmode(struct xgifb_video_info *xgifb_info)
 			}
 
 			if ((filter >= 0) && (filter <= 7)) {
+				const u8 *f = XGI_TV_filter[filter_tb].filter[filter];
+
 				pr_debug("FilterTable[%d]-%d: %*ph\n",
-					 filter_tb, filter,
-					 4, XGI_TV_filter[filter_tb].
-						   filter[filter]);
-				xgifb_reg_set(
-					XGIPART2,
-					0x35,
-					(XGI_TV_filter[filter_tb].
-						filter[filter][0]));
-				xgifb_reg_set(
-					XGIPART2,
-					0x36,
-					(XGI_TV_filter[filter_tb].
-						filter[filter][1]));
-				xgifb_reg_set(
-					XGIPART2,
-					0x37,
-					(XGI_TV_filter[filter_tb].
-						filter[filter][2]));
-				xgifb_reg_set(
-					XGIPART2,
-					0x38,
-					(XGI_TV_filter[filter_tb].
-						filter[filter][3]));
+					 filter_tb, filter, 4, f);
+				xgifb_reg_set(XGIPART2, 0x35, f[0]);
+			        xgifb_reg_set(XGIPART2, 0x36, f[1]);
+			        xgifb_reg_set(XGIPART2, 0x37, f[2]);
+				xgifb_reg_set(XGIPART2, 0x38, f[3]);
 			}
 		}
 	}
diff --git a/drivers/staging/xgifb/vb_setmode.c b/drivers/staging/xgifb/vb_setmode.c
index 7c7c8c8f1df3..1220d0cea87d 100644
--- a/drivers/staging/xgifb/vb_setmode.c
+++ b/drivers/staging/xgifb/vb_setmode.c
@@ -221,8 +221,8 @@ static unsigned char XGI_AjustCRT2Rate(unsigned short ModeIdIndex,
 
 	for (; XGI330_RefIndex[RefreshRateTableIndex + (*i)].ModeID ==
 	       tempbx; (*i)--) {
-		infoflag = XGI330_RefIndex[RefreshRateTableIndex + (*i)].
-				Ext_InfoFlag;
+		infoflag =
+		XGI330_RefIndex[RefreshRateTableIndex + (*i)].Ext_InfoFlag;
 		if (infoflag & tempax)
 			return 1;
 
@@ -231,8 +231,8 @@ static unsigned char XGI_AjustCRT2Rate(unsigned short ModeIdIndex,
 	}
 
 	for ((*i) = 0;; (*i)++) {
-		infoflag = XGI330_RefIndex[RefreshRateTableIndex + (*i)].
-				Ext_InfoFlag;
+		infoflag =
+		XGI330_RefIndex[RefreshRateTableIndex + (*i)].Ext_InfoFlag;
 		if (XGI330_RefIndex[RefreshRateTableIndex + (*i)].ModeID
 				!= tempbx) {
 			return 0;
@@ -5092,8 +5092,8 @@ unsigned short XGI_GetRatePtrCRT2(struct xgi_hw_device_info *pXGIHWDE,
 
 	i = 0;
 	do {
-		if (XGI330_RefIndex[RefreshRateTableIndex + i].
-			ModeID != ModeNo)
+		if (XGI330_RefIndex[RefreshRateTableIndex + i].ModeID
+				!= ModeNo)
 			break;
 		temp = XGI330_RefIndex[RefreshRateTableIndex + i].Ext_InfoFlag;
 		temp &= ModeTypeMask;
@@ -5484,7 +5484,7 @@ unsigned char XGISetModeNew(struct xgifb_video_info *xgifb_info,
 				return 0;
 
 		pVBInfo->ModeType = XGI330_EModeIDTable[ModeIdIndex].
-						Ext_ModeFlag & ModeTypeMask;
+				Ext_ModeFlag & ModeTypeMask;
 
 		pVBInfo->SetFlag = 0;
 		pVBInfo->VBInfo = DisableCRT2Display;
-- 
2.11.0

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[PATCH v4] staging: xgifb: correct the multiple line dereference Arushi Singhal <arushisinghal19971997@gmail.com> - 2017-02-26 17:30 +0100
  Re: [Outreachy kernel] [PATCH v4] staging: xgifb: correct the multiple  line dereference Julia Lawall <julia.lawall@lip6.fr> - 2017-02-26 17:50 +0100

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