From: Manish Rangankar <manish.rangankar@qlogic.com>
Date: Mon, 21 Jan 2013 04:51:04 +0000 (-0500)
Subject: [SCSI] qla4xxx: Fix return code for qla4xxx_session_get_param.
X-Git-Tag: next-20130218~72^2~8
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=c7a5e0d0ebb01fa5f266ddbf8d3d95affcd0f336;p=karo-tx-linux.git

[SCSI] qla4xxx: Fix return code for qla4xxx_session_get_param.

While reading sysfs chap_in_idx and chap_out_idx attribute, if chap
authentication is not set we get an error as "Invalid argument".

Signed-off-by: Manish Rangankar <manish.rangankar@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
---

diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index b8acc40d6f6c..6142729167f4 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -1337,18 +1337,18 @@ static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess,
 					      sess->password_in, BIDI_CHAP,
 					      &idx);
 		if (rval)
-			return -EINVAL;
-
-		len = sprintf(buf, "%hu\n", idx);
+			len = sprintf(buf, "\n");
+		else
+			len = sprintf(buf, "%hu\n", idx);
 		break;
 	case ISCSI_PARAM_CHAP_OUT_IDX:
 		rval = qla4xxx_get_chap_index(ha, sess->username,
 					      sess->password, LOCAL_CHAP,
 					      &idx);
 		if (rval)
-			return -EINVAL;
-
-		len = sprintf(buf, "%hu\n", idx);
+			len = sprintf(buf, "\n");
+		else
+			len = sprintf(buf, "%hu\n", idx);
 		break;
 	default:
 		return iscsi_session_get_param(cls_sess, param, buf);