From: kbuild test robot Date: Thu, 30 Apr 2015 16:27:35 +0000 (+0800) Subject: staging: lustre: fix ifnullfree.cocci warnings X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=c93f5463e35a95c8cad5deb4ad5d32b0eb913abd;p=openwrt%2Fstaging%2Fblogic.git staging: lustre: fix ifnullfree.cocci warnings drivers/staging/lustre/lustre/lov/lov_obd.c:574:3-8: WARNING: NULL check before freeing functions like kfree, debugfs_remove, debugfs_remove_recursive or usb_free_urb is not needed. Maybe consider reorganizing relevant code to avoid passing NULL values. NULL check before some freeing functions is not needed. Based on checkpatch warning "kfree(NULL) is safe this check is probably not required" and kfreeaddr.cocci by Julia Lawall. Generated by: scripts/coccinelle/free/ifnullfree.cocci CC: Julia Lawall Signed-off-by: Fengguang Wu Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/lustre/lustre/lov/lov_obd.c b/drivers/staging/lustre/lustre/lov/lov_obd.c index 7e1253809708..054ca32099c8 100644 --- a/drivers/staging/lustre/lustre/lov/lov_obd.c +++ b/drivers/staging/lustre/lustre/lov/lov_obd.c @@ -570,8 +570,7 @@ static int lov_add_target(struct obd_device *obd, struct obd_uuid *uuidp, lov->lov_tgts = newtgts; lov->lov_tgt_size = newsize; smp_rmb(); - if (old) - kfree(old); + kfree(old); CDEBUG(D_CONFIG, "tgts: %p size: %d\n", lov->lov_tgts, lov->lov_tgt_size);