From: Juergen Gross <jgross@suse.com>
Date: Tue, 7 Jun 2022 12:00:31 +0000 (+0200)
Subject: tools/libs/evtchn: don't set errno to negative values
X-Git-Tag: archive/raspbian/4.16.2-1+rpi1^2~34^2~73
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=13a29f3756bc4cab96c59f46c3875b483553fb8f;p=xen.git

tools/libs/evtchn: don't set errno to negative values

Setting errno to a negative value makes no sense.

Fixes: 6b6500b3cbaa ("tools/libs/evtchn: Add support for restricting a handle")
Signed-off-by: Juergen Gross <jgross@suse.com>
Acked-by: Andrew Cooper <andrew.cooper3@citrix.com>
master commit: 60245b71c1cd001686fa7b7a26869cbcb80d074c
master date: 2022-04-22 20:39:34 +0100
---

diff --git a/tools/libs/evtchn/freebsd.c b/tools/libs/evtchn/freebsd.c
index 7427ab2408..fa17a0f8db 100644
--- a/tools/libs/evtchn/freebsd.c
+++ b/tools/libs/evtchn/freebsd.c
@@ -58,7 +58,7 @@ int osdep_evtchn_close(xenevtchn_handle *xce)
 
 int osdep_evtchn_restrict(xenevtchn_handle *xce, domid_t domid)
 {
-    errno = -EOPNOTSUPP;
+    errno = EOPNOTSUPP;
 
     return -1;
 }
diff --git a/tools/libs/evtchn/minios.c b/tools/libs/evtchn/minios.c
index e5dfdc5ef5..c0bd5429ee 100644
--- a/tools/libs/evtchn/minios.c
+++ b/tools/libs/evtchn/minios.c
@@ -97,7 +97,7 @@ int osdep_evtchn_close(xenevtchn_handle *xce)
 
 int osdep_evtchn_restrict(xenevtchn_handle *xce, domid_t domid)
 {
-    errno = -EOPNOTSUPP;
+    errno = EOPNOTSUPP;
 
     return -1;
 }
diff --git a/tools/libs/evtchn/netbsd.c b/tools/libs/evtchn/netbsd.c
index 1cebc21ffc..56409513bc 100644
--- a/tools/libs/evtchn/netbsd.c
+++ b/tools/libs/evtchn/netbsd.c
@@ -53,7 +53,7 @@ int osdep_evtchn_close(xenevtchn_handle *xce)
 
 int osdep_evtchn_restrict(xenevtchn_handle *xce, domid_t domid)
 {
-    errno = -EOPNOTSUPP;
+    errno = EOPNOTSUPP;
 
     return -1;
 }
diff --git a/tools/libs/evtchn/solaris.c b/tools/libs/evtchn/solaris.c
index df9579df17..beaa772142 100644
--- a/tools/libs/evtchn/solaris.c
+++ b/tools/libs/evtchn/solaris.c
@@ -53,7 +53,7 @@ int osdep_evtchn_close(xenevtchn_handle *xce)
 
 int osdep_evtchn_restrict(xenevtchn_handle *xce, domid_t domid)
 {
-    errno = -EOPNOTSUPP;
+    errno = EOPNOTSUPP;
     return -1;
 }