[PATCH] Initialize variables to prevent uninitialized use in libctf.

[Frederic Cambus]

libctf/ChangeLog:

	* ctf-create.c (ctf_serialize): Initialize 'err' to zero to
	prevent uninitialized use.
	* ctf-lookup.c (refresh_pptrtab): Initialize 'updated' to zero
	to prevent uninitialized use.
---
 libctf/ChangeLog    | 7 +++++++
 libctf/ctf-create.c | 2 +-
 libctf/ctf-lookup.c | 2 +-
 3 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/libctf/ChangeLog b/libctf/ChangeLog
index 3a7f6ab1ce..82e696335d 100644
--- a/libctf/ChangeLog
+++ b/libctf/ChangeLog
@@ -1,3 +1,10 @@
+2021-02-02  Frederic Cambus  <fred@statdns.com>
+
+	* ctf-create.c (ctf_serialize): Initialize 'err' to zero to
+	prevent uninitialized use.
+	* ctf-lookup.c (refresh_pptrtab): Initialize 'updated' to zero
+	to prevent uninitialized use.
+
 2021-01-19  Nick Alcock  <nick.alcock@oracle.com>
 
 	* ctf-create.c (membadd): Transform ""-named members into
diff --git a/libctf/ctf-create.c b/libctf/ctf-create.c
index 50f48eb1bb..7d5dac5e69 100644
--- a/libctf/ctf-create.c
+++ b/libctf/ctf-create.c
@@ -688,7 +688,7 @@ ctf_serialize (ctf_dict_t *fp)
   size_t ndynsyms = 0;
   const char **sym_name_order = NULL;
   unsigned char *buf = NULL, *newbuf;
-  int err;
+  int err = 0;
 
   if (!(fp->ctf_flags & LCTF_RDWR))
     return (ctf_set_errno (fp, ECTF_RDONLY));
diff --git a/libctf/ctf-lookup.c b/libctf/ctf-lookup.c
index 6d4e085838..d80247d8bd 100644
--- a/libctf/ctf-lookup.c
+++ b/libctf/ctf-lookup.c
@@ -51,7 +51,7 @@ refresh_pptrtab (ctf_dict_t *fp, ctf_dict_t *pfp)
     {
       ctf_id_t type = LCTF_INDEX_TO_TYPE (fp, i, 1);
       ctf_id_t reffed_type;
-      int updated;
+      int updated = 0;
 
       if (ctf_type_kind (fp, type) != CTF_K_POINTER)
 	continue;
-- 
2.29.2