tools/xenstore: preserve errno across corrupt()

Let corrupt() preserve errno in order to be able to simplify error
handling in future.

This is rather easy as the errno value when entering corrupt() is
saved already.

Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Julien Grall <jgrall@amazon.com>

diff --git a/tools/xenstore/xenstored_core.c b/tools/xenstore/xenstored_core.c
index 4cd54c8b5a51e568de86cedb4c40e58510a572f2..f68f82cb1927efdf2e4b853596103f2c836aae52 100644 (file)
--- a/tools/xenstore/xenstored_core.c
+++ b/tools/xenstore/xenstored_core.c
@@ -2551,6 +2551,8 @@ void corrupt(struct connection *conn, const char *fmt, ...)
        talloc_free(str);
 
        check_store();
+
+       errno = saved_errno;
 }
 
 #ifndef NO_SOCKETS