diff options
Diffstat (limited to 'drivers/xen/pvblock.c')
-rw-r--r-- | drivers/xen/pvblock.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/xen/pvblock.c b/drivers/xen/pvblock.c index 76e82fb..1b3325b 100644 --- a/drivers/xen/pvblock.c +++ b/drivers/xen/pvblock.c @@ -294,8 +294,8 @@ static void shutdown_blkfront(struct blkfront_dev *dev) snprintf(path, sizeof(path), "%s/state", dev->backend); snprintf(nodename, sizeof(nodename), "%s/state", dev->nodename); - if ((err = xenbus_switch_state(XBT_NIL, nodename, - XenbusStateClosing)) != NULL) { + err = xenbus_switch_state(XBT_NIL, nodename, XenbusStateClosing); + if (err) { printf("%s: error changing state to %d: %s\n", __func__, XenbusStateClosing, err); goto close; @@ -306,8 +306,8 @@ static void shutdown_blkfront(struct blkfront_dev *dev) err = xenbus_wait_for_state_change(path, &state); free(err); - if ((err = xenbus_switch_state(XBT_NIL, nodename, - XenbusStateClosed)) != NULL) { + err = xenbus_switch_state(XBT_NIL, nodename, XenbusStateClosed); + if (err) { printf("%s: error changing state to %d: %s\n", __func__, XenbusStateClosed, err); goto close; @@ -319,8 +319,8 @@ static void shutdown_blkfront(struct blkfront_dev *dev) free(err); } - if ((err = xenbus_switch_state(XBT_NIL, nodename, - XenbusStateInitialising)) != NULL) { + err = xenbus_switch_state(XBT_NIL, nodename, XenbusStateInitialising); + if (err) { printf("%s: error changing state to %d: %s\n", __func__, XenbusStateInitialising, err); goto close; |