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>

1 files changed, 6 insertions, 5 deletions

diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index ef5f34291437..1a8c94055294 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)