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authorBorislav Petkov <petkovbb@gmail.com>2009-05-04 09:48:57 +0200
committerBorislav Petkov <petkovbb@gmail.com>2009-05-15 06:44:31 +0200
commit837272b4f9393df40d16cc2ac731221027048ba6 (patch)
tree9ce093f338af5acdbc624d2777944cf17a2c6204 /drivers/ide/ide-tape.c
parent60cfab85da965035c7baf66a63f048155bb302b1 (diff)
downloadop-kernel-dev-837272b4f9393df40d16cc2ac731221027048ba6.zip
op-kernel-dev-837272b4f9393df40d16cc2ac731221027048ba6.tar.gz
ide-tape/ide_tape_get_bsize_from_bdesc: use local buffer
There should be no functional change resulting from this patch. Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
Diffstat (limited to 'drivers/ide/ide-tape.c')
-rw-r--r--drivers/ide/ide-tape.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index ef5f342..1a8c940 100644
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -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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