mirror of https://gitee.com/openkylin/linux.git
ide-floppy/ide_floppy_get_flexible_disk_page: use local buffer
There should be no functional change resulting from this patch. Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
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@ -311,33 +311,33 @@ static int ide_floppy_get_flexible_disk_page(ide_drive_t *drive,
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{
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struct ide_disk_obj *floppy = drive->driver_data;
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struct gendisk *disk = floppy->disk;
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u8 *page;
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u8 *page, buf[40];
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int capacity, lba_capacity;
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u16 transfer_rate, sector_size, cyls, rpm;
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u8 heads, sectors;
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ide_floppy_create_mode_sense_cmd(pc, IDEFLOPPY_FLEXIBLE_DISK_PAGE);
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if (ide_queue_pc_tail(drive, disk, pc, pc->buf, pc->req_xfer)) {
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if (ide_queue_pc_tail(drive, disk, pc, buf, pc->req_xfer)) {
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printk(KERN_ERR PFX "Can't get flexible disk page params\n");
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return 1;
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}
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if (pc->buf[3] & 0x80)
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if (buf[3] & 0x80)
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drive->dev_flags |= IDE_DFLAG_WP;
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else
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drive->dev_flags &= ~IDE_DFLAG_WP;
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set_disk_ro(disk, !!(drive->dev_flags & IDE_DFLAG_WP));
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page = &pc->buf[8];
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page = &buf[8];
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transfer_rate = be16_to_cpup((__be16 *)&pc->buf[8 + 2]);
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sector_size = be16_to_cpup((__be16 *)&pc->buf[8 + 6]);
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cyls = be16_to_cpup((__be16 *)&pc->buf[8 + 8]);
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rpm = be16_to_cpup((__be16 *)&pc->buf[8 + 28]);
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heads = pc->buf[8 + 4];
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sectors = pc->buf[8 + 5];
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transfer_rate = be16_to_cpup((__be16 *)&buf[8 + 2]);
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sector_size = be16_to_cpup((__be16 *)&buf[8 + 6]);
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cyls = be16_to_cpup((__be16 *)&buf[8 + 8]);
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rpm = be16_to_cpup((__be16 *)&buf[8 + 28]);
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heads = buf[8 + 4];
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sectors = buf[8 + 5];
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capacity = cyls * heads * sectors * sector_size;
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