Commit d66c9183 authored by Johannes Berg's avatar Johannes Berg Committed by Richard Weinberger
Browse files

um: sigio: Return error from add_sigio_fd() 



If we run out of space, return an error instead of 0.

Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
Signed-off-by: default avatarRichard Weinberger <richard@nod.at>
parent ef3ba87c

arch/um/os-Linux/sigio.c

+4 −2
Original line number Diff line number Diff line
@@ -167,15 +167,17 @@ static void update_thread(void) 
int add_sigio_fd(int fd)

{

	struct pollfd *p;

	int err = 0, i, n;

	int err, i, n;



	sigio_lock();

	for (i = 0; i < all_sigio_fds.used; i++) {

		if (all_sigio_fds.poll[i].fd == fd)

			break;

	}

	if (i == all_sigio_fds.used)

	if (i == all_sigio_fds.used) {

		err = -ENOSPC;

		goto out;

	}



	p = &all_sigio_fds.poll[i];