[rtems commit] fastlz.c: Unused value (CID #1399751)

Joel Sherrill joel at rtems.org
Thu Apr 8 23:02:02 UTC 2021


Module:    rtems
Branch:    master
Commit:    09d811b8a587b44556a6fea240ac636815d0295a
Changeset: http://git.rtems.org/rtems/commit/?id=09d811b8a587b44556a6fea240ac636815d0295a

Author:    Ryan Long <ryan.long at oarcorp.com>
Date:      Fri Mar 12 15:56:03 2021 -0500

fastlz.c: Unused value (CID #1399751)

CID 1399751: Unused value in fastlz2_compress().

Closes #4341

---

 cpukit/libdl/fastlz.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/cpukit/libdl/fastlz.c b/cpukit/libdl/fastlz.c
index 3c9d6f6..7257c98 100644
--- a/cpukit/libdl/fastlz.c
+++ b/cpukit/libdl/fastlz.c
@@ -219,7 +219,15 @@ static FASTLZ_INLINE int FASTLZ_COMPRESSOR(const void* input, int length, void*
     if(ip[0] == ip[-1] && FASTLZ_READU16(ip-1)==FASTLZ_READU16(ip+1))
     {
       distance = 1;
-      ip += 3;
+      #ifndef __rtems__
+        /*
+         * ip is assigned a value here, but is immediately assigned another
+         * value when it goes to match (line 269). The value that was initially
+         * assigned is not used, and this results in a Coverity issue. See CID
+         * 1399751
+         */
+        ip += 3;
+      #endif
       ref = anchor - 1 + 3;
       goto match;
     }



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