Commit 837272b4 authored by Borislav Petkov's avatar Borislav Petkov

ide-tape/ide_tape_get_bsize_from_bdesc: use local buffer

There should be no functional change resulting from this patch.
Signed-off-by: default avatarBorislav Petkov <petkovbb@gmail.com>
parent 60cfab85
......@@ -1456,9 +1456,10 @@ static void ide_tape_get_bsize_from_bdesc(ide_drive_t *drive)
{
idetape_tape_t *tape = drive->driver_data;
struct ide_atapi_pc pc;
u8 buf[12];
idetape_create_mode_sense_cmd(&pc, IDETAPE_BLOCK_DESCRIPTOR);
if (ide_queue_pc_tail(drive, tape->disk, &pc, pc.buf, pc.req_xfer)) {
if (ide_queue_pc_tail(drive, tape->disk, &pc, buf, pc.req_xfer)) {
printk(KERN_ERR "ide-tape: Can't get block descriptor\n");
if (tape->blk_size == 0) {
printk(KERN_WARNING "ide-tape: Cannot deal with zero "
......@@ -1467,10 +1468,10 @@ static void ide_tape_get_bsize_from_bdesc(ide_drive_t *drive)
}
return;
}
tape->blk_size = (pc.buf[4 + 5] << 16) +
(pc.buf[4 + 6] << 8) +
pc.buf[4 + 7];
tape->drv_write_prot = (pc.buf[2] & 0x80) >> 7;
tape->blk_size = (buf[4 + 5] << 16) +
(buf[4 + 6] << 8) +
buf[4 + 7];
tape->drv_write_prot = (buf[2] & 0x80) >> 7;
}
static int idetape_chrdev_open(struct inode *inode, struct file *filp)
......
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