s3:vfs:preopen: fix O3 error unused result of write

(void) cast is not enough.

Signed-off-by: Michael Adam <obnox@samba.org>
Reviewed-by: Christian Ambach <ambi@samba.org>

diff --git a/source3/modules/vfs_preopen.c b/source3/modules/vfs_preopen.c
index b67aad86b5575490e4431bc0bc8e72bb57a69700..8bf30b6745ee11fa2c59443071c2ad9c02046f47 100644 (file)
--- a/source3/modules/vfs_preopen.c
+++ b/source3/modules/vfs_preopen.c
@@ -21,6 +21,7 @@
 #include "includes.h"
 #include "system/filesys.h"
 #include "smbd/smbd.h"
+#include "lib/util/sys_rw.h"
 #include "lib/util/sys_rw_data.h"
 
 struct preopen_state;
@@ -185,7 +186,7 @@ static bool preopen_helper_open_one(int sock_fd, char **pnamebuf,
        close(fd);
 
  done:
-       (void)write(sock_fd, &c, 1);
+       sys_write_v(sock_fd, &c, 1);
        return true;
 }