The patch titled Subject: rapidio/mport_cdev: mark expected switch fall-through has been added to the -mm tree. Its filename is rapidio-mport_cdev-mark-expected-switch-fall-through.patch This patch should soon appear at http://ozlabs.org/~akpm/mmots/broken-out/rapidio-mport_cdev-mark-expected-switch-fall-through.patch and later at http://ozlabs.org/~akpm/mmotm/broken-out/rapidio-mport_cdev-mark-expected-switch-fall-through.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: "Gustavo A. R. Silva" <gustavo@xxxxxxxxxxxxxx> Subject: rapidio/mport_cdev: mark expected switch fall-through In preparation for enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. This patch fixes the following warning: drivers/rapidio/devices/rio_mport_cdev.c: In function `mport_release_mapping': drivers/rapidio/devices/rio_mport_cdev.c:2151:3: warning: this statement may fall through [-Wimplicit-fallthrough=] rio_unmap_inb_region(mport, map->phys_addr); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ CC drivers/regulator/fixed-helper.o CC drivers/pinctrl/stm32/pinctrl-stm32f429.o drivers/rapidio/devices/rio_mport_cdev.c:2152:2: note: here case MAP_DMA: ^~~~ Warning level 3 was used: -Wimplicit-fallthrough=3 This patch is part of the ongoing efforts to enable -Wimplicit-fallthrough. Link: http://lkml.kernel.org/r/20190212175014.GA14326@embeddedor Signed-off-by: Gustavo A. R. Silva <gustavo@xxxxxxxxxxxxxx> Acked-by: Alexandre Bounine <alex.bou9@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- drivers/rapidio/devices/rio_mport_cdev.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/rapidio/devices/rio_mport_cdev.c~rapidio-mport_cdev-mark-expected-switch-fall-through +++ a/drivers/rapidio/devices/rio_mport_cdev.c @@ -2149,6 +2149,7 @@ static void mport_release_mapping(struct switch (map->dir) { case MAP_INBOUND: rio_unmap_inb_region(mport, map->phys_addr); + /* fall through */ case MAP_DMA: dma_free_coherent(mport->dev.parent, map->size, map->virt_addr, map->phys_addr); _ Patches currently in -mm which might be from gustavo@xxxxxxxxxxxxxx are ocfs2-use-zero-sized-array-and-struct_size-in-kzalloc.patch mm-memcontrol-use-struct_size-in-kmalloc.patch mm-swapfilec-use-struct_size-in-kvzalloc.patch assoc_array-mark-expected-switch-fall-through.patch rapidio-mport_cdev-mark-expected-switch-fall-through.patch gcov-use-struct_size-in-kzalloc.patch ipc-semc-replace-kvmalloc-memset-with-kvzalloc-and-use-struct_size.patch