mirror of https://gitee.com/openkylin/linux.git
UBI: fix 64-bit calculations
Signed-off-by: Bruce Leonard <brucle@selinc.com> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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@ -437,7 +437,8 @@ static int vol_cdev_ioctl(struct inode *inode, struct file *file,
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break;
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}
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rsvd_bytes = vol->reserved_pebs * (ubi->leb_size-vol->data_pad);
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rsvd_bytes = (long long)vol->reserved_pebs *
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ubi->leb_size-vol->data_pad;
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if (bytes < 0 || bytes > rsvd_bytes) {
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err = -EINVAL;
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break;
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