From: Sebastian Ott <sebott@linux.vnet.ibm.com>
Date: Thu, 26 Mar 2009 14:24:17 +0000 (+0100)
Subject: [S390] cio: fix rc generation after chsc call
X-Git-Tag: archive/raspbian/4.9.13-1+rpi1~10^2~23623^2~45
X-Git-Url: https://dgit.raspbian.org/%22http:/www.example.com/cgi/%22https:/www.github.com/%22bookmarks:///%22http:/www.example.com/cgi/%22https:/www.github.com/%22bookmarks:/?a=commitdiff_plain;h=17e7d87d9f88480a75fc9c5978ab38131a074277;p=linux-4.9.git

[S390] cio: fix rc generation after chsc call

In some situations a rc in __chsc_do_secm will be overwritten
by another one. This shouldn't do harm since todays callers
don't check for _specific_ errors but fix it for the sake of
correctness.

Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---

diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c
index 7399b07a1aeb..883f16f96f22 100644
--- a/drivers/s390/cio/chsc.c
+++ b/drivers/s390/cio/chsc.c
@@ -589,6 +589,7 @@ __chsc_do_secm(struct channel_subsystem *css, int enable, void *page)
 	case 0x0102:
 	case 0x0103:
 		ret = -EINVAL;
+		break;
 	default:
 		ret = chsc_error_from_response(secm_area->response.code);
 	}