The fd_mask type is an unsigned long, not an int, so treat the mask as a

long instead of an int when examining the results of select() to look for
RPC requests.  Previously this routine would ignore RPC requests to sockets
whose file descriptor mod 64 was greater than 31 on a 64-bit platform.

PR:		amd64/141130
Submitted by:	liujb of array networks
MFC after:	3 days

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/libc/rpc/svc.c b/lib/libc/rpc/svc.c
index d2051218f497..282c2be2e19d 100644
--- a/lib/libc/rpc/svc.c
+++ b/lib/libc/rpc/svc.c
@@ -627,8 +627,8 @@ svc_getreqset(readfds)
 
 	maskp = readfds->fds_bits;
 	for (sock = 0; sock < FD_SETSIZE; sock += NFDBITS) {
-	    for (mask = *maskp++; (bit = ffs(mask)) != 0;
-		mask ^= (1 << (bit - 1))) {
+	    for (mask = *maskp++; (bit = ffsl(mask)) != 0;
+		mask ^= (1ul << (bit - 1))) {
 		/* sock has input waiting */
 		fd = sock + bit - 1;
 		svc_getreq_common(fd);