New files:
scripts/coccinelle/api/is_err_or_null.cocci

Modified files:
fs/btrfs/tree-log.c
drivers/md/dm-crypt.c
drivers/gpu/drm/i915/gvt/scheduler.c
fs/ceph/snap.c
include/linux/file.h
kernel/sched/ext.c
arch/mips/lantiq/clk.c
drivers/gpib/common/iblib.c
net/ipv6/ila/ila_xlat.c
fs/btrfs/inode.c
net/sched/cls_api.c
sound/soc/xtensa/xtfpga-i2s.c
arch/sh/mm/ioremap.c
drivers/target/target_core_fabric_configfs.c
drivers/reset/core.c
kernel/module/main.c
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
fs/erofs/zdata.c
lib/test_firmware.c
fs/ext4/mballoc.c
arch/arm/common/bL_switcher.c
net/sctp/socket.c
drivers/thermal/ti-soc-thermal/ti-thermal-common.c
drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
fs/quota/quota.c
drivers/gpu/drm/drm_sysfs.c
net/netlink/af_netlink.c
fs/btrfs/transaction.c
fs/ntfs3/fsntfs.c
drivers/input/mouse/alps.c
drivers/net/ethernet/marvell/prestera/prestera_router.c
mm/kmemleak.c
fs/ext4/fast_commit.c
arch/x86/kernel/callthunks.c
fs/pstore/zone.c
drivers/net/ethernet/aquantia/atlantic/aq_ring.c
fs/smb/client/cifsglob.h
drivers/vfio/vfio_main.c
drivers/phy/phy-core.c
drivers/net/usb/r8152.c
lib/test_kmod.c
net/9p/trans_rdma.c
fs/btrfs/uuid-tree.c
net/wireless/reg.c
kernel/trace/kprobe_event_gen_test.c
drivers/media/test-drivers/vimc/vimc-streamer.c
fs/fuse/dir.c
virt/kvm/eventfd.c
fs/smb/client/connect.c
drivers/hv/mshv_eventfd.c
drivers/clocksource/timer-pxa.c
drivers/iommu/omap-iommu.c
drivers/irqchip/irq-gic-v3.c
drivers/block/aoe/aoecmd.c
drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c
fs/squashfs/cache.c
drivers/interconnect/core.c
fs/9p/fid.h
drivers/nfc/trf7970a.c
lib/debugobjects.c
drivers/net/mdio/mdio-xgene.c
kernel/trace/trace_events_hist.c
drivers/irqchip/irq-mvebu-odmi.c
net/tipc/socket.c
drivers/pmdomain/rockchip/pm-domains.c
net/bluetooth/mgmt.c
drivers/net/ethernet/intel/ice/devlink/devlink.c
drivers/clk/clk.c
sound/soc/samsung/i2s.c
fs/gfs2/glock.c
net/core/xdp.c
drivers/mtd/nand/raw/gpio.c
net/ipv6/ndisc.c
net/sunrpc/xprtrdma/svc_rdma_transport.c
drivers/gpu/drm/radeon/radeon_test.c
include/net/9p/client.h
drivers/s390/char/tape_class.c
kernel/trace/fprobe.c
security/apparmor/apparmorfs.c
drivers/md/dm-cache-metadata.c
fs/ext4/symlink.c
drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c
fs/ceph/dir.c
fs/seq_file.c
drivers/pinctrl/core.c
drivers/leds/trigger/ledtrig-tty.c
fs/smb/client/readdir.c
arch/x86/kernel/irq.c
fs/ext4/namei.c
drivers/net/ethernet/broadcom/tg3.c

Checking coverage for a new file: scripts/coccinelle/api/is_err_or_null.cocci
  Section COCCINELLE/Semantic Patches (SmPL) covers ~79 files
  Section THE REST covers ~953281 files
 MIN 79