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-rw-r--r--ext/socket/ancdata.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/ext/socket/ancdata.c b/ext/socket/ancdata.c
index ac79e65689..eb36402720 100644
--- a/ext/socket/ancdata.c
+++ b/ext/socket/ancdata.c
@@ -1632,7 +1632,7 @@ bsock_recvmsg_internal(int argc, VALUE *argv, VALUE sock, int nonblock)
if (NIL_P(vmaxctllen) && (mh.msg_flags & MSG_CTRUNC)) {
#define BIG_ENOUGH_SPACE 65536
if (BIG_ENOUGH_SPACE < maxctllen &&
- mh.msg_controllen < (socklen_t)(maxctllen - BIG_ENOUGH_SPACE)) {
+ (socklen_t)mh.msg_controllen < (socklen_t)(maxctllen - BIG_ENOUGH_SPACE)) {
/* there are big space bug truncated.
* file descriptors limit? */
if (!gc_done) {