Work around uninitialized warning in cc_kcm.c

Some versions of clang erroneously detect use of an uninitialized
variable reply_len in kcmio_call() when building on non-Mac platforms.
Initialize it to work around this warning.

(cherry picked from commit 40b007c0d8e2a12c6f4205ac111dee731c9d970c)

ticket: 8335
version_fixed: 1.13.4
tags: -pullup
status: resolved

diff --git a/src/lib/krb5/ccache/cc_kcm.c b/src/lib/krb5/ccache/cc_kcm.c
index b763ea4a6d3c911e69e1975229d01333dc4dbeeb..6337b57015270129ac1e90ac631279fcc75f7179 100644 (file)
--- a/src/lib/krb5/ccache/cc_kcm.c
+++ b/src/lib/krb5/ccache/cc_kcm.c
@@ -377,7 +377,7 @@ static krb5_error_code
 kcmio_call(krb5_context context, struct kcmio *io, struct kcmreq *req)
 {
     krb5_error_code ret;
-    size_t reply_len;
+    size_t reply_len = 0;
 
     if (k5_buf_status(&req->reqbuf) != 0)
         return ENOMEM;