X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/79d354a91037771dfcb870783209d129df8dd086..559d4875e1bcdb1169b272c37f936e82b0a8b0c0:/src/src/auths/gsasl_exim.c

diff --git a/src/src/auths/gsasl_exim.c b/src/src/auths/gsasl_exim.c
index 7f9cc3295..479d01a29 100644
--- a/src/src/auths/gsasl_exim.c
+++ b/src/src/auths/gsasl_exim.c
@@ -757,7 +757,7 @@ switch (prop)
     for memory wiping, so expanding strings will leave stuff laying around.
     But no need to compound the problem, so get rid of the one we can. */
 
-    memset(tmps, '\0', strlen(tmps));
+    if (US tmps != s) memset(tmps, '\0', strlen(tmps));
     cbrc = GSASL_OK;
     break;