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 7427ab24086092221925f8a65b5f2a9e4ea7e338..fa17a0f8dbb55d7fee63c1ec2df87d197d659a55 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 e5dfdc5ef52e94409d1dfded92e9d2a3d8084cd7..c0bd5429eea2c172b93ed22de65b97b2fe53371d 100644 (file)
--- 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 1cebc21ffce016a02f3f7807d3fda99f26cabf0c..56409513bc23fea29c8c7f5dcfc9332774e09915 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 df9579df1778f3e5e74fc0ce5aaacc20a9ecc146..beaa7721425f17b44dd8130b608bd9f5d04f0e22 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;
 }