err/err.c: fix "wraparound" bug in ERR_set_error_data.

Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit d3d880ce01cfaf0091f46a2f6b5bd146d47a93e7)

diff --git a/crypto/err/err.c b/crypto/err/err.c
index 57b9576ea6af6b83a0db3603d3591da110abce5e..84eabc17726e271b22f9387f2eda2b1d72a2073a 100644 (file)
--- a/crypto/err/err.c
+++ b/crypto/err/err.c
@@ -702,8 +702,6 @@ void ERR_set_error_data(char *data, int flags)
         return;
 
     i = es->top;
-    if (i == 0)
-        i = ERR_NUM_ERRORS - 1;
 
     err_clear_data(es, i);
     es->err_data[i] = data;