[Xen-devel] [PATCH for-4.10] gcov: return EOPNOTSUPP for unimplemented gcov domctl

[Roger Pau Monne <roger.pau@xxxxxxxxxx>]

ENOSYS should only be used by unimplemented top-level syscalls. Use
EOPNOTSUPP instead.

Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
Reported-by: Jan Beulich <JBeulich@xxxxxxxx>
---
Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Cc: George Dunlap <George.Dunlap@xxxxxxxxxxxxx>
Cc: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
Cc: Jan Beulich <jbeulich@xxxxxxxx>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>
Cc: Tim Deegan <tim@xxxxxxx>
Cc: Wei Liu <wei.liu2@xxxxxxxxxx>
Cc: Julien Grall <julien.grall@xxxxxxxxxx>
---
 xen/common/gcov/gcov.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/common/gcov/gcov.c b/xen/common/gcov/gcov.c
index 35653fd8d8..283d2eec86 100644
--- a/xen/common/gcov/gcov.c
+++ b/xen/common/gcov/gcov.c
@@ -239,7 +239,7 @@ int sysctl_gcov_op(struct xen_sysctl_gcov_op *op)
         break;
 
     default:
-        ret = -ENOSYS;
+        ret = -EOPNOTSUPP;
         break;
     }
 
-- 
2.13.6 (Apple Git-96)


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