From b4fe56e9ed8d981519802d39a13a0ebb28c546d4 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Date: Wed, 16 Aug 2017 20:40:46 +0200 Subject: vhost-user-scsi: glib calls that allocate don't return NULL MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit They abort instead, so get rid of failure conditions. Signed-off-by: Marc-André Lureau Reviewed-by: Paolo Bonzini --- contrib/vhost-user-scsi/vhost-user-scsi.c | 52 +++++-------------------------- 1 file changed, 7 insertions(+), 45 deletions(-) (limited to 'contrib') diff --git a/contrib/vhost-user-scsi/vhost-user-scsi.c b/contrib/vhost-user-scsi/vhost-user-scsi.c index cf2793ef02..e3ae2bbd72 100644 --- a/contrib/vhost-user-scsi/vhost-user-scsi.c +++ b/contrib/vhost-user-scsi/vhost-user-scsi.c @@ -139,8 +139,8 @@ static GSourceFuncs vus_gsrc_funcs = { NULL }; -static int vus_gsrc_new(vhost_scsi_dev_t *vdev_scsi, int fd, GIOCondition cond, - vu_watch_cb vu_cb, GSourceFunc gsrc_cb, gpointer data) +static void vus_gsrc_new(vhost_scsi_dev_t *vdev_scsi, int fd, GIOCondition cond, + vu_watch_cb vu_cb, GSourceFunc gsrc_cb, gpointer data) { GSource *vus_gsrc; vus_gsrc_t *vus_src; @@ -152,10 +152,6 @@ static int vus_gsrc_new(vhost_scsi_dev_t *vdev_scsi, int fd, GIOCondition cond, assert(!(vu_cb && gsrc_cb)); vus_gsrc = g_source_new(&vus_gsrc_funcs, sizeof(vus_gsrc_t)); - if (!vus_gsrc) { - PERR("Error creating GSource for new watch"); - return -1; - } vus_src = (vus_gsrc_t *)vus_gsrc; vus_src->vdev_scsi = vdev_scsi; @@ -171,8 +167,6 @@ static int vus_gsrc_new(vhost_scsi_dev_t *vdev_scsi, int fd, GIOCondition cond, g_tree_insert(vdev_scsi->fdmap, (gpointer)(uintptr_t)fd, (gpointer)(uintptr_t)id); - - return 0; } /* from libiscsi's scsi-lowlevel.h ** @@ -440,10 +434,7 @@ static void vus_panic_cb(VuDev *vu_dev, const char *buf) PERR("vu_panic: %s", buf); } - if (vdev_scsi) { - assert(vdev_scsi->loop); - g_main_loop_quit(vdev_scsi->loop); - } + g_main_loop_quit(vdev_scsi->loop); } static void vus_add_watch_cb(VuDev *vu_dev, int fd, int vu_evt, vu_watch_cb cb, @@ -471,9 +462,7 @@ static void vus_add_watch_cb(VuDev *vu_dev, int fd, int vu_evt, vu_watch_cb cb, (void)g_tree_remove(vdev_scsi->fdmap, (gpointer)(uintptr_t)fd); } - if (vus_gsrc_new(vdev_scsi, fd, vu_evt, cb, NULL, pvt)) { - vus_panic_cb(vu_dev, NULL); - } + vus_gsrc_new(vdev_scsi, fd, vu_evt, cb, NULL, pvt); } static void vus_del_watch_cb(VuDev *vu_dev, int fd) @@ -703,10 +692,7 @@ static void vdev_scsi_free(vhost_scsi_dev_t *vdev_scsi) vdev_scsi->server_sock = -1; } - if (vdev_scsi->loop) { - g_main_loop_unref(vdev_scsi->loop); - vdev_scsi->loop = NULL; - } + g_main_loop_unref(vdev_scsi->loop); g_free(vdev_scsi); } @@ -717,23 +703,9 @@ static vhost_scsi_dev_t *vdev_scsi_new(int server_sock) vdev_scsi = g_new0(vhost_scsi_dev_t, 1); vdev_scsi->server_sock = server_sock; vdev_scsi->loop = g_main_loop_new(NULL, FALSE); - if (!vdev_scsi->loop) { - PERR("Error creating glib event loop"); - goto err; - } - vdev_scsi->fdmap = g_tree_new(vus_fdmap_compare); - if (!vdev_scsi->fdmap) { - PERR("Error creating glib tree for fdmap"); - goto err; - } return vdev_scsi; - -err: - vdev_scsi_free(vdev_scsi); - - return NULL; } static int vdev_scsi_add_iscsi_lun(vhost_scsi_dev_t *vdev_scsi, @@ -777,21 +749,14 @@ static int vdev_scsi_run(vhost_scsi_dev_t *vdev_scsi) vus_del_watch_cb, &vus_iface); - if (vus_gsrc_new(vdev_scsi, cli_sock, G_IO_IN, NULL, vus_vhost_cb, - &vdev_scsi->vu_dev)) { - goto fail; - } + vus_gsrc_new(vdev_scsi, cli_sock, G_IO_IN, NULL, vus_vhost_cb, + &vdev_scsi->vu_dev); g_main_loop_run(vdev_scsi->loop); -out: vu_deinit(&vdev_scsi->vu_dev); return ret; - -fail: - ret = -1; - goto out; } int main(int argc, char **argv) @@ -824,9 +789,6 @@ int main(int argc, char **argv) goto err; } vdev_scsi = vdev_scsi_new(sock); - if (!vdev_scsi) { - goto err; - } vhost_scsi_devs[0] = vdev_scsi; if (vdev_scsi_add_iscsi_lun(vdev_scsi, iscsi_uri, 0) != 0) { -- cgit v1.2.1