[Emacs-diffs] master 272ca09: Avoid crashes in coding_inherit_eol_type

[Eli Zaretskii]

branch: master
commit 272ca096356e30c67ce337855da7531994040255
Author: Eli Zaretskii <address@hidden>
Commit: Eli Zaretskii <address@hidden>

    Avoid crashes in coding_inherit_eol_type
    
    * src/coding.c (coding_inherit_eol_type): Check the validity of
    the arguments.  Suggested by Andreas Schwab <address@hidden>.
    (Bug#21602)
---
 src/coding.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/src/coding.c b/src/coding.c
index 3fc6fb6..d265531 100644
--- a/src/coding.c
+++ b/src/coding.c
@@ -6004,6 +6004,7 @@ coding_inherit_eol_type (Lisp_Object coding_system, 
Lisp_Object parent)
 
   if (NILP (coding_system))
     coding_system = Qraw_text;
+  CHECK_CODING_SYSTEM (coding_system);
   spec = CODING_SYSTEM_SPEC (coding_system);
   eol_type = AREF (spec, 2);
   if (VECTORP (eol_type))
@@ -6014,6 +6015,7 @@ coding_inherit_eol_type (Lisp_Object coding_system, 
Lisp_Object parent)
        {
          Lisp_Object parent_spec;
 
+         CHECK_CODING_SYSTEM (parent);
          parent_spec = CODING_SYSTEM_SPEC (parent);
          parent_eol_type = AREF (parent_spec, 2);
          if (VECTORP (parent_eol_type))