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x86: Use ARRAY_SIZE

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Using the ARRAY_SIZE macro improves the readability of the code.

Found with Coccinelle with the following semantic patch:
@r depends on (org || report)@
type T;
T[] E;
position p;
@@
(
 (sizeof(E)@p /sizeof(*E))
|
 (sizeof(E)@p /sizeof(E[...]))
|
 (sizeof(E)@p /sizeof(T))
)

Signed-off-by: Jérémy Lefaure <jeremy.lefaure@lse.epita.fr>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-video@atrey.karlin.mff.cuni.cz
Cc: Martin Mares <mj@ucw.cz>
Cc: Andy Lutomirski <luto@amacapital.net>
Link: https://lkml.kernel.org/r/20171001193101.8898-13-jeremy.lefaure@lse.epita.fr
This commit is contained in:
Jérémy Lefaure 2017-10-01 15:30:50 -04:00 committed by Thomas Gleixner
parent 33d930e59a
commit 0cfe5b5fc0
3 changed files with 7 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
arch/x86/boot/video-vga.c
View File

@ -241,9 +241,9 @@ static int vga_probe(void)
vga_modes,
};
static int mode_count[] = {
sizeof(cga_modes)/sizeof(struct mode_info),
sizeof(ega_modes)/sizeof(struct mode_info),
sizeof(vga_modes)/sizeof(struct mode_info),
ARRAY_SIZE(cga_modes),
ARRAY_SIZE(ega_modes),
ARRAY_SIZE(vga_modes),
};
struct biosregs ireg, oreg;

3
arch/x86/entry/vdso/vdso2c.c
View File

@ -65,6 +65,7 @@
#include <linux/elf.h>
#include <linux/types.h>
#include <linux/kernel.h>
const char *outfilename;
@ -151,7 +152,7 @@ extern void bad_put_le(void);
PLE(x, val, 64, PLE(x, val, 32, PLE(x, val, 16, LAST_PLE(x, val))))
#define NSYMS (sizeof(required_syms) / sizeof(required_syms[0]))
#define NSYMS ARRAY_SIZE(required_syms)
#define BITSFUNC3(name, bits, suffix) name##bits##suffix
#define BITSFUNC2(name, bits, suffix) BITSFUNC3(name, bits, suffix)

5
arch/x86/platform/intel-mid/device_libs/platform_gpio_keys.c
View File

@ -62,10 +62,9 @@ static struct platform_device pb_device = {
static int __init pb_keys_init(void)
{
struct gpio_keys_button *gb = gpio_button;
int i, num, good = 0;
int i, good = 0;
num = sizeof(gpio_button) / sizeof(struct gpio_keys_button);
for (i = 0; i < num; i++) {
for (i = 0; i < ARRAY_SIZE(gpio_button); i++) {
gb[i].gpio = get_gpio_by_name(gb[i].desc);
pr_debug("info[%2d]: name = %s, gpio = %d\n", i, gb[i].desc,
gb[i].gpio);