ctdb-common: ioctl(.. FIONREAD ..) returns an int value

BUG: https://bugzilla.samba.org/show_bug.cgi?id=12549

Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Wed Feb  1 14:29:14 CET 2017 on sn-devel-144

diff --git a/ctdb/common/run_proc.c b/ctdb/common/run_proc.c
index 96e422cde8789d10c0a7ba33b13af340f90ea1a1..f9fee80e9072c36db6a986afd58b56df1e0ac043 100644 (file)
--- a/ctdb/common/run_proc.c
+++ b/ctdb/common/run_proc.c
@@ -132,8 +132,9 @@ static void proc_read_handler(struct tevent_context *ev,
 {
        struct proc_context *proc = talloc_get_type_abort(
                private_data, struct proc_context);
-       size_t offset, len = 0;
+       size_t offset;
        ssize_t nread;
+       int len = 0;
        int ret;
 
        ret = ioctl(proc->fd, FIONREAD, &len);