ps3flash: switch to generic_file_llseek_size() (ee324652) · Commits · e / devices / android_kernel_xiaomi_nabu

drivers/char/ps3flash.c

+2 −26

Original line number	Original line	Diff line number	Diff line
	@@ -98,32 +98,8 @@ static int ps3flash_fetch(struct ps3_storage_device *dev, u64 start_sector)
	static loff_t ps3flash_llseek(struct file *file, loff_t offset, int origin)		static loff_t ps3flash_llseek(struct file *file, loff_t offset, int origin)
	{		{
	struct ps3_storage_device *dev = ps3flash_dev;		struct ps3_storage_device *dev = ps3flash_dev;
	loff_t res;		return generic_file_llseek_size(file, offset, origin, MAX_LFS_FILESIZE,
			dev->regions[dev->region_idx].size*dev->blk_size);
	mutex_lock(&file->f_mapping->host->i_mutex);
	switch (origin) {
	case 0:
	break;
	case 1:
	offset += file->f_pos;
	break;
	case 2:
	offset += dev->regions[dev->region_idx].size*dev->blk_size;
	break;
	default:
	offset = -1;
	}
	if (offset < 0) {
	res = -EINVAL;
	goto out;
	}

	file->f_pos = offset;
	res = file->f_pos;

	out:
	mutex_unlock(&file->f_mapping->host->i_mutex);
	return res;
	}		}

	static ssize_t ps3flash_read(char __user userbuf, void kernelbuf,		static ssize_t ps3flash_read(char __user userbuf, void kernelbuf,