[coreboot-gerrit] Change in coreboot[master]: lib/lzmadecode.c: : Avoid static analysis error for unused value

[Richard Spiegel (Code Review)]

Richard Spiegel has uploaded this change for review. ( https://review.coreboot.org/28021

Change subject: lib/lzmadecode.c: : Avoid static analysis error for unused value
......................................................................

lib/lzmadecode.c: : Avoid static analysis error for unused value

Within procedure LzmaDecode(), the variable len can be assigned a value
that is never read after, thus causing a static analysis error. Tell the
static analysis we know it can happen.

BUG=b:112253891
TEST=Build and boot grunt.

Change-Id: I37bc3ff19ca85f819ba1cbb2a281c1ad55619da9
Signed-off-by: Richard Spiegel 
---
M src/lib/lzmadecode.c
1 file changed, 4 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/21/28021/1

diff --git a/src/lib/lzmadecode.c b/src/lib/lzmadecode.c
index 6d21f6c..0a5d038 100644
--- a/src/lib/lzmadecode.c
+++ b/src/lib/lzmadecode.c
@@ -422,6 +422,10 @@
    	}
    }
    RC_NORMALIZE;
+	/*
+	 * Tell static analysis we know len can have a dead assignment.
+	 */
+	 (void)len;

*inSizeProcessed = (SizeT)(Buffer - inStream);