correct_password: do not print "no shadow passwd..." message

function                                             old     new   delta
correct_password                                     204     191     -13
.rodata                                           129530  129466     -64
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-77)             Total: -77 bytes
   text    data     bss     dec     hex filename
 675984    2744   13968  692696   a91d8 busybox_old
 675908    2744   13968  692620   a918c busybox_unstripped

1 files changed, 7 insertions, 10 deletions

diff --git a/libbb/correct_password.c b/libbb/correct_password.c
index f832635e6..815c51c43 100644
--- a/libbb/correct_password.c
+++ b/libbb/correct_password.c
@@ -40,12 +40,6 @@ int correct_password(const struct passwd *pw)
 {
         char *unencrypted, *encrypted;
         const char *correct;
-#if ENABLE_FEATURE_SHADOWPASSWDS
-        /* Using _r function to avoid pulling in static buffers */
-        struct spwd spw;
-        struct spwd *result;
-        char buffer[256];
-#endif
 
         /* fake salt. crypt() can choke otherwise. */
         correct = "aa";
@@ -55,11 +49,14 @@ int correct_password(const struct passwd *pw)
         }
         correct = pw->pw_passwd;
 #if ENABLE_FEATURE_SHADOWPASSWDS
-        if (LONE_CHAR(pw->pw_passwd, 'x') || LONE_CHAR(pw->pw_passwd, '*')) {
-                if (getspnam_r(pw->pw_name, &spw, buffer, sizeof(buffer), &result))
-                        bb_error_msg("no valid shadow password, checking ordinary one");
-                else
+        if ((correct[0] == 'x' || correct[0] == '*') && !correct[1]) {
+                /* Using _r function to avoid pulling in static buffers */
+                struct spwd spw;
+                struct spwd *result;
+                char buffer[256];
+                if (getspnam_r(pw->pw_name, &spw, buffer, sizeof(buffer), &result) == 0)
                         correct = spw.sp_pwdp;
+                /* else: no valid shadow password, checking ordinary one */
         }
 #endif