Module Name: src Committed By: mlelstv Date: Sun Jun 6 10:40:14 UTC 2021
Modified Files: src/sys/dev/iscsi: iscsi_main.c Log Message: Provide missing file ops. Before a simple read() would panic the kernel. No longer fail close(). To generate a diff of this commit: cvs rdiff -u -r1.35 -r1.36 src/sys/dev/iscsi/iscsi_main.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/dev/iscsi/iscsi_main.c diff -u src/sys/dev/iscsi/iscsi_main.c:1.35 src/sys/dev/iscsi/iscsi_main.c:1.36 --- src/sys/dev/iscsi/iscsi_main.c:1.35 Sat Apr 24 23:36:56 2021 +++ src/sys/dev/iscsi/iscsi_main.c Sun Jun 6 10:40:14 2021 @@ -1,4 +1,4 @@ -/* $NetBSD: iscsi_main.c,v 1.35 2021/04/24 23:36:56 thorpej Exp $ */ +/* $NetBSD: iscsi_main.c,v 1.36 2021/06/06 10:40:14 mlelstv Exp $ */ /*- * Copyright (c) 2004,2005,2006,2011 The NetBSD Foundation, Inc. @@ -87,8 +87,15 @@ static int iscsiclose(struct file *); static const struct fileops iscsi_fileops = { .fo_name = "iscsi", + .fo_read = fbadop_read, + .fo_write = fbadop_write, .fo_ioctl = iscsiioctl, + .fo_fcntl = fnullop_fcntl, + .fo_poll = fnullop_poll, + .fo_stat = fbadop_stat, .fo_close = iscsiclose, + .fo_kqfilter = fnullop_kqfilter, + .fo_restart = fnullop_restart }; struct cdevsw iscsi_cdevsw = { @@ -166,15 +173,12 @@ iscsiclose(struct file *fp) struct iscsi_softc *sc; sc = device_lookup_private(&iscsi_cd, d->fd_unit); - if (sc == NULL) { - DEBOUT(("%s: Cannot find private data\n",__func__)); - return ENXIO; + if (sc != NULL) { + mutex_enter(&sc->lock); + TAILQ_REMOVE(&sc->fds, d, fd_link); + mutex_exit(&sc->lock); } - mutex_enter(&sc->lock); - TAILQ_REMOVE(&sc->fds, d, fd_link); - mutex_exit(&sc->lock); - kmem_free(d, sizeof(*d)); fp->f_iscsi = NULL;