From: Mark Wielaard <mark@klomp.org>
Date: Thu, 3 Nov 2022 12:44:35 +0000 (+0100)
Subject: libdw: Don't dereference and assign values we are skipping
X-Git-Tag: elfutils-0.189~65
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=b0a0235771906e3bcd6174c4e3c020b5522b0be5;p=thirdparty%2Felfutils.git

libdw: Don't dereference and assign values we are skipping

We don't use the FDE address encoding byte, so no reason
to read and store it. Just skip past it.

Signed-off-by: Mark Wielaard <mark@klomp.org>
---

diff --git a/libdw/ChangeLog b/libdw/ChangeLog
index 3c595a3d2..6cbf192d0 100644
--- a/libdw/ChangeLog
+++ b/libdw/ChangeLog
@@ -1,3 +1,8 @@
+2022-11-03  Mark Wielaard  <mark@klomp.org>
+
+	* dwarf_next_cfi.c (dwarf_next_cfi): Don't dereference and assign
+	bytes.
+
 2022-10-21  Yonggang Luo  <luoyonggang@gmail.com>
 
 	* dwarf_begin_elf.h: Don't include unistd.h and endian.h.
diff --git a/libdw/dwarf_next_cfi.c b/libdw/dwarf_next_cfi.c
index 23b168859..be08984f1 100644
--- a/libdw/dwarf_next_cfi.c
+++ b/libdw/dwarf_next_cfi.c
@@ -226,7 +226,7 @@ dwarf_next_cfi (const unsigned char e_ident[],
 	      if (sized_augmentation)
 		{
 		  /* Skip FDE address encoding byte.  */
-		  encoding = *bytes++;
+		  bytes++;
 		  continue;
 		}
 	      break;