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>

diff --git a/tools/libs/evtchn/freebsd.c b/tools/libs/evtchn/freebsd.c
index c4d075350b5e92c9353ff4fb5787534cbf92aaf0..422836f1a1145de40dbbe771e0825b6d327ab377 100644 (file)
--- 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 65cfccfd09a91339a7a418f0bccb774e0bb2e202..8ff46de884a619e850b6ab0dfd8cc180a88c80a2 100644 (file)
--- a/tools/libs/evtchn/minios.c
+++ b/tools/libs/evtchn/minios.c
@@ -143,7 +143,7 @@ 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 0b223c4beb26d816a614dade0b4c733a8a33010f..2de9cefc67f89b2a0ebd39c3008be0147701de1c 100644 (file)
--- 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 7fef88a73e79587b1379a8824eb4254faaa02c3d..375a5f9b4fce280688fa0c6dcf8480cfb40fb78f 100644 (file)
--- 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;
 }