X-Git-Url: http://www.pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fide%2Fide-disk.c;h=289a533afbd699be220689c3b70b9e2ce9c30891;hb=81ee1bb51fff76aaa738668b92406b5117f125ed;hp=6c9c898aff62b8f1c278fa29c9a116077dbce70e;hpb=d7e747596829c1c11833ca0a1f5e64f400d20bf2;p=linux-2.6-omap-h63xx.git diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 6c9c898aff6..289a533afbd 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -817,12 +817,21 @@ static ide_driver_t idedisk_driver = { static int idedisk_set_doorlock(ide_drive_t *drive, int on) { ide_task_t task; + int ret; + + if ((drive->dev_flags & IDE_DFLAG_DOORLOCKING) == 0) + return 0; memset(&task, 0, sizeof(task)); task.tf.command = on ? ATA_CMD_MEDIA_LOCK : ATA_CMD_MEDIA_UNLOCK; task.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE; - return ide_no_data_taskfile(drive, &task); + ret = ide_no_data_taskfile(drive, &task); + + if (ret) + drive->dev_flags &= ~IDE_DFLAG_DOORLOCKING; + + return ret; } static int idedisk_open(struct inode *inode, struct file *filp) @@ -845,9 +854,7 @@ static int idedisk_open(struct inode *inode, struct file *filp) * since the open() has already succeeded, * and the door_lock is irrelevant at this point. */ - if ((drive->dev_flags & IDE_DFLAG_DOORLOCKING) && - idedisk_set_doorlock(drive, 1)) - drive->dev_flags &= ~IDE_DFLAG_DOORLOCKING; + idedisk_set_doorlock(drive, 1); check_disk_change(inode->i_bdev); } return 0; @@ -862,11 +869,8 @@ static int idedisk_release(struct inode *inode, struct file *filp) if (idkp->openers == 1) ide_cacheflush_p(drive); - if ((drive->dev_flags & IDE_DFLAG_REMOVABLE) && idkp->openers == 1) { - if ((drive->dev_flags & IDE_DFLAG_DOORLOCKING) && - idedisk_set_doorlock(drive, 0)) - drive->dev_flags &= ~IDE_DFLAG_DOORLOCKING; - } + if ((drive->dev_flags & IDE_DFLAG_REMOVABLE) && idkp->openers == 1) + idedisk_set_doorlock(drive, 0); idkp->openers--;