Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux

[PATCH] i386: replace intermediate array-size definitions with ARRAY_SIZE()

Code is easier to validate if array sizes aren't hidden behind extra
#defines.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Andi Kleen <ak@suse.de>

authored by

Bjorn Helgaas and committed by
Andi Kleen
b9629b82 29cbc78b

+2 -8
+2 -8
arch/i386/kernel/setup.c
··· 209 209 .flags = IORESOURCE_BUSY | IORESOURCE_READONLY | IORESOURCE_MEM 210 210 } }; 211 211 212 - #define ADAPTER_ROM_RESOURCES \ 213 - (sizeof adapter_rom_resources / sizeof adapter_rom_resources[0]) 214 - 215 212 static struct resource video_rom_resource = { 216 213 .name = "Video ROM", 217 214 .start = 0xc0000, ··· 270 273 .flags = IORESOURCE_BUSY | IORESOURCE_IO 271 274 } }; 272 275 273 - #define STANDARD_IO_RESOURCES \ 274 - (sizeof standard_io_resources / sizeof standard_io_resources[0]) 275 - 276 276 #define romsignature(x) (*(unsigned short *)(x) == 0xaa55) 277 277 278 278 static int __init romchecksum(unsigned char *rom, unsigned long length) ··· 326 332 } 327 333 328 334 /* check for adapter roms on 2k boundaries */ 329 - for (i = 0; i < ADAPTER_ROM_RESOURCES && start < upper; start += 2048) { 335 + for (i = 0; i < ARRAY_SIZE(adapter_rom_resources) && start < upper; start += 2048) { 330 336 rom = isa_bus_to_virt(start); 331 337 if (!romsignature(rom)) 332 338 continue; ··· 1266 1272 request_resource(&iomem_resource, &video_ram_resource); 1267 1273 1268 1274 /* request I/O space for devices used on all i[345]86 PCs */ 1269 - for (i = 0; i < STANDARD_IO_RESOURCES; i++) 1275 + for (i = 0; i < ARRAY_SIZE(standard_io_resources); i++) 1270 1276 request_resource(&ioport_resource, &standard_io_resources[i]); 1271 1277 return 0; 1272 1278 }