cifs: fail i/o on soft mounts if sessionsetup errors out (b0dd940e) · Commits · 戴 / test

RHBZ: 1579050 If we have a soft mount we should fail commands for session-setup failures (such as the password having changed/ account being deleted/ ...) and return an error back to the application. Signed-off-by:

Ronnie Sahlberg <lsahlber@redhat.com> Signed-off-by:

Steve French <stfrench@microsoft.com> CC: Stable <stable@vger.kernel.org>

fs/cifs/smb2pdu.c

+8 −2

Original line number	Diff line number	Diff line
		@@ -350,9 +350,14 @@ smb2_reconnect(__le16 smb2_command, struct cifs_tcon *tcon)
		}

		rc = cifs_negotiate_protocol(0, tcon->ses);
		if (!rc && tcon->ses->need_reconnect)
		if (!rc && tcon->ses->need_reconnect) {
		rc = cifs_setup_session(0, tcon->ses, nls_codepage);

		if ((rc == -EACCES) && !tcon->retry) {
		rc = -EHOSTDOWN;
		mutex_unlock(&tcon->ses->session_mutex);
		goto failed;
		}
		}
		if (rc \|\| !tcon->need_reconnect) {
		mutex_unlock(&tcon->ses->session_mutex);
		goto out;
		@@ -397,6 +402,7 @@ out:
		case SMB2_SET_INFO:
		rc = -EAGAIN;
		}
		failed:
		unload_nls(nls_codepage);
		return rc;
		}

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