mirror of https://gitee.com/openkylin/linux.git
drivers/md.c: Use ARRAY_SIZE macro when appropriate
Use ARRAY_SIZE macro already defined in kernel.h Signed-off-by: Ahmed S. Darwish <darwish.07@gmail.com> Acked-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -33,6 +33,7 @@
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*/
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/kthread.h>
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#include <linux/linkage.h>
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#include <linux/raid/md.h>
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@ -2637,8 +2638,7 @@ metadata_store(mddev_t *mddev, const char *buf, size_t len)
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minor = simple_strtoul(buf, &e, 10);
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if (e==buf || (*e && *e != '\n') )
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return -EINVAL;
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if (major >= sizeof(super_types)/sizeof(super_types[0]) ||
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super_types[major].name == NULL)
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if (major >= ARRAY_SIZE(super_types) || super_types[major].name == NULL)
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return -ENOENT;
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mddev->major_version = major;
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mddev->minor_version = minor;
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@ -4019,7 +4019,7 @@ static int set_array_info(mddev_t * mddev, mdu_array_info_t *info)
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if (info->raid_disks == 0) {
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/* just setting version number for superblock loading */
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if (info->major_version < 0 ||
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info->major_version >= sizeof(super_types)/sizeof(super_types[0]) ||
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info->major_version >= ARRAY_SIZE(super_types) ||
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super_types[info->major_version].name == NULL) {
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/* maybe try to auto-load a module? */
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printk(KERN_INFO
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