Use resource_size rather than a verbose computation on the end and start fields. The semantic patch that makes these changes is as follows: (http://coccinelle.lip6.fr/) <smpl> @@ struct resource ptr; @@ - ((ptr.end) - (ptr.start) + 1) + resource_size(&ptr) @@ struct resource *ptr; @@ - ((ptr->end) - (ptr->start) + 1) + resource_size(ptr) @@ struct resource ptr; @@ - ((ptr.end) + 1 - (ptr.start)) + resource_size(&ptr) @@ struct resource *ptr; @@ - ((ptr->end) + 1 - (ptr->start)) + resource_size(ptr) </smpl> --- arch/mips/kernel/setup.c | 6 ++---- arch/powerpc/platforms/83xx/km83xx.c | 2 +- arch/powerpc/platforms/powernv/pci-ioda.c | 4 ++-- arch/x86/kernel/crash.c | 2 +- drivers/net/ethernet/freescale/fman/mac.c | 4 ++-- drivers/usb/gadget/udc/omap_udc.c | 6 +++--- drivers/video/fbdev/cg14.c | 3 +-- drivers/video/fbdev/s1d13xxxfb.c | 16 ++++++++-------- sound/drivers/ml403-ac97cr.c | 4 +--- sound/soc/sof/imx/imx8.c | 3 +-- 10 files changed, 22 insertions(+), 28 deletions(-)