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-rw-r--r--lib/smtp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/smtp.c b/lib/smtp.c
index b010a26fe..edc3ff659 100644
--- a/lib/smtp.c
+++ b/lib/smtp.c
@@ -576,7 +576,7 @@ static CURLcode smtp_state_authlogin_resp(struct connectdata *conn,
else {
l = smtp_auth_login_user(conn, &authuser);
- if(l <= 0)
+ if(!l)
result = CURLE_OUT_OF_MEMORY;
else {
result = Curl_pp_sendf(&conn->proto.smtpc.pp, "%s", authuser);