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From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Cc: peter.maydell@linaro.org, "Sven Schnelle" <svens@stackframe.org>,
	"Philippe Mathieu-Daudé" <f4bug@amsat.org>
Subject: [PULL 5/9] hw/display/artist: Remove dead code (CID 1419388 & 1419389)
Date: Tue, 18 Feb 2020 11:39:25 -0800	[thread overview]
Message-ID: <20200218193929.11404-6-richard.henderson@linaro.org> (raw)
In-Reply-To: <20200218193929.11404-1-richard.henderson@linaro.org>

From: Philippe Mathieu-Daudé <f4bug@amsat.org>

Coverity reports:

  *** CID 1419388:  Control flow issues  (DEADCODE)
  /hw/display/artist.c: 739 in draw_line_xy()
  733         if (endy < 0) {
  734             endy = 0;
  735         }
  736
  737
  738         if (endx < 0) {
  >>>     CID 1419388:  Control flow issues  (DEADCODE)
  >>>     Execution cannot reach this statement: "return;".
  739             return;
  740         }
  741
  742         if (endy < 0) {
  743             return;
  744         }

  *** CID 1419389:  Control flow issues  (DEADCODE)
  /hw/display/artist.c: 743 in draw_line_xy()
  737
  738         if (endx < 0) {
  739             return;
  740         }
  741
  742         if (endy < 0) {
  >>>     CID 1419389:  Control flow issues  (DEADCODE)
  >>>     Execution cannot reach this statement: "return;".
  743             return;
  744         }
  745
  746         trace_artist_draw_line(startx, starty, endx, endy);
  747         draw_line(s, startx, starty, endx, endy, false, -1, -1);
  748     }

Fixes: Covertiy CID 1419388 and 1419389 (commit 4765384ce33)
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Acked-by: Sven Schnelle <svens@stackframe.org>
Message-Id: <20200214001303.12873-6-f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 hw/display/artist.c | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/hw/display/artist.c b/hw/display/artist.c
index 5492079116..753dbb9a77 100644
--- a/hw/display/artist.c
+++ b/hw/display/artist.c
@@ -734,15 +734,6 @@ static void draw_line_xy(ARTISTState *s, bool update_start)
         endy = 0;
     }
 
-
-    if (endx < 0) {
-        return;
-    }
-
-    if (endy < 0) {
-        return;
-    }
-
     draw_line(s, startx, starty, endx, endy, false, -1, -1);
 }
 
-- 
2.20.1



  parent reply	other threads:[~2020-02-18 19:41 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-18 19:39 [PULL 0/9] target/hppa patch queue Richard Henderson
2020-02-18 19:39 ` [PULL 1/9] hw/display/artist: Move trace event to draw_line() Richard Henderson
2020-02-18 19:39 ` [PULL 2/9] hw/display/artist: Remove pointless initialization Richard Henderson
2020-02-18 19:39 ` [PULL 3/9] hw/display/artist: Delay some variables initialization Richard Henderson
2020-02-18 19:39 ` [PULL 4/9] hw/display/artist: Avoid drawing line when nothing to display Richard Henderson
2020-02-29  9:31   ` Sven Schnelle
2020-03-02  9:50     ` Philippe Mathieu-Daudé
2020-02-18 19:39 ` Richard Henderson [this message]
2020-02-18 19:39 ` [PULL 6/9] hw/hppa/dino: Add comments with register name Richard Henderson
2020-02-18 19:39 ` [PULL 7/9] hw/hppa/dino: Fix reg800_keep_bits overrun (CID 1419387 1419393 1419394) Richard Henderson
2020-02-18 19:39 ` [PULL 8/9] hw/hppa/dino: Fix bitmask for the PCIROR register Richard Henderson
2020-02-18 19:39 ` [PULL 9/9] hw/hppa/dino: Do not accept accesses to registers 0x818 and 0x82c Richard Henderson
2020-02-20 16:51 ` [PULL 0/9] target/hppa patch queue Peter Maydell

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