[binutils-gdb] PR29855, ch_type in bfd_init_section_decompress_status can be uninitialized

[Alan Modra]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=5830876a0cca17bef3b2d54908928e72cca53502

commit 5830876a0cca17bef3b2d54908928e72cca53502
Author: Alan Modra <amodra@gmail.com>
Date:   Tue Dec 6 08:37:52 2022 +1030

    PR29855, ch_type in bfd_init_section_decompress_status can be uninitialized
    
            PR 29855
            * compress.c (bfd_init_section_decompress_status): Set ch_type
            to zero for zlib-gnu case.

Diff:
---
 bfd/compress.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/bfd/compress.c b/bfd/compress.c
index 3d8c1d769f1..6b083468ca8 100644
--- a/bfd/compress.c
+++ b/bfd/compress.c
@@ -564,6 +564,7 @@ bfd_init_section_decompress_status (bfd *abfd, sec_ptr sec)
 	  return false;
 	}
       uncompressed_size = bfd_getb64 (header + 4);
+      ch_type = 0;
     }
   else if (!bfd_check_compression_header (abfd, header, sec,
 					  &ch_type,