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-rw-r--r--fs/smb/client/smb2pdu.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/fs/smb/client/smb2pdu.c b/fs/smb/client/smb2pdu.c
index b71e32d66e..60793143e2 100644
--- a/fs/smb/client/smb2pdu.c
+++ b/fs/smb/client/smb2pdu.c
@@ -367,6 +367,17 @@ again:
}
rc = cifs_setup_session(0, ses, server, nls_codepage);
+ if ((rc == -EACCES) || (rc == -EKEYEXPIRED) || (rc == -EKEYREVOKED)) {
+ /*
+ * Try alternate password for next reconnect (key rotation
+ * could be enabled on the server e.g.) if an alternate
+ * password is available and the current password is expired,
+ * but do not swap on non pwd related errors like host down
+ */
+ if (ses->password2)
+ swap(ses->password2, ses->password);
+ }
+
if ((rc == -EACCES) && !tcon->retry) {
mutex_unlock(&ses->session_mutex);
rc = -EHOSTDOWN;