video: fbdev: sis: fix duplicated code for different branches

Started by Gustavo A. R. Silva on Aug 30, 2017 · 2 messages from 2 authors · Last reply Sep 4, 2017

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Message details and related content
Refactor code in order to avoid identical code for different branches.

This issue was detected with the help of Coccinelle.

Addresses-Coverity-ID: 1226761
Signed-off-by: Gustavo A. R. Silva <redacted>
---
This issue was reported by Coverity and it was tested by compilation only.
Please, verify if any of these issues should be addressed differently.
Also, notice that this code has been there since 2005.

 drivers/video/fbdev/sis/init301.c | 15 +++------------
 1 file changed, 3 insertions(+), 12 deletions(-)
diff --git a/drivers/video/fbdev/sis/init301.c b/drivers/video/fbdev/sis/init301.c
index 20f7234..99d5a25 100644
--- a/drivers/video/fbdev/sis/init301.c
+++ b/drivers/video/fbdev/sis/init301.c
@@ -6848,8 +6848,6 @@ SiS_SetGroup2(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short
 	   if(SiS_Pr->SiS_VGAHDE >= 1280) {
               tempch = 20;
               tempbx &= ~0x20;
-           } else if(SiS_Pr->SiS_VGAHDE >= 1024) {
-              tempch = 25;
            } else {
 	      tempch = 25; /* OK */
 	   }
@@ -7964,14 +7962,9 @@ SiS_SetCHTVReg(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short
             }
          }
       } else {						/* ---- PAL ---- */
-         /* We don't play around with FSCI in PAL mode */
-         if(resindex = 0x04) {
-            SiS_SetCH70xxANDOR(SiS_Pr,0x20,0x00,0xEF);	/* loop filter off */
-            SiS_SetCH70xxANDOR(SiS_Pr,0x21,0x01,0xFE);	/* ACIV on */
-         } else {
-            SiS_SetCH70xxANDOR(SiS_Pr,0x20,0x00,0xEF);	/* loop filter off */
-            SiS_SetCH70xxANDOR(SiS_Pr,0x21,0x01,0xFE);	/* ACIV on */
-         }
+	/* We don't play around with FSCI in PAL mode */
+	SiS_SetCH70xxANDOR(SiS_Pr, 0x20, 0x00, 0xEF);	/* loop filter off */
+	SiS_SetCH70xxANDOR(SiS_Pr, 0x21, 0x01, 0xFE);	/* ACIV on */
       }
 
 #endif  /* 300 */
@@ -9657,8 +9650,6 @@ SetDelayComp(struct SiS_Private *SiS_Pr, unsigned short ModeNo)
 	      delay = 0x0a;
 	   } else if(IS_SIS740) {
 	      delay = 0x00;
-	   } else if(SiS_Pr->ChipType < SIS_330) {
-	      delay = 0x0c;
 	   } else {
 	      delay = 0x0c;
 	   }
-- 
2.5.0
Message details and related content
On Wednesday, August 30, 2017 08:19:42 AM Gustavo A. R. Silva wrote:
Refactor code in order to avoid identical code for different branches.

This issue was detected with the help of Coccinelle.

Addresses-Coverity-ID: 1226761
Signed-off-by: Gustavo A. R. Silva <redacted>
Patch queued for 4.14, thanks.

Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics
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