diff options
Diffstat (limited to 'drivers/block/paride/pd.c')
| -rw-r--r-- | drivers/block/paride/pd.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/block/paride/pd.c b/drivers/block/paride/pd.c index c1e5cd0..985f0d4 100644 --- a/drivers/block/paride/pd.c +++ b/drivers/block/paride/pd.c @@ -153,6 +153,7 @@ enum {D_PRT, D_PRO, D_UNI, D_MOD, D_GEO, D_SBY, D_DLY, D_SLV}; #include <linux/blkdev.h> #include <linux/blkpg.h> #include <linux/kernel.h> +#include <linux/smp_lock.h> #include <asm/uaccess.h> #include <linux/workqueue.h> @@ -439,7 +440,7 @@ static char *pd_buf; /* buffer for request in progress */ static enum action do_pd_io_start(void) { - if (blk_special_request(pd_req)) { + if (pd_req->cmd_type == REQ_TYPE_SPECIAL) { phase = pd_special; return pd_special(); } @@ -735,12 +736,14 @@ static int pd_open(struct block_device *bdev, fmode_t mode) { struct pd_unit *disk = bdev->bd_disk->private_data; + lock_kernel(); disk->access++; if (disk->removable) { pd_special_command(disk, pd_media_check); pd_special_command(disk, pd_door_lock); } + unlock_kernel(); return 0; } @@ -768,8 +771,10 @@ static int pd_ioctl(struct block_device *bdev, fmode_t mode, switch (cmd) { case CDROMEJECT: + lock_kernel(); if (disk->access == 1) pd_special_command(disk, pd_eject); + unlock_kernel(); return 0; default: return -EINVAL; @@ -780,8 +785,10 @@ static int pd_release(struct gendisk *p, fmode_t mode) { struct pd_unit *disk = p->private_data; + lock_kernel(); if (!--disk->access && disk->removable) pd_special_command(disk, pd_door_unlock); + unlock_kernel(); return 0; } @@ -812,7 +819,7 @@ static const struct block_device_operations pd_fops = { .owner = THIS_MODULE, .open = pd_open, .release = pd_release, - .locked_ioctl = pd_ioctl, + .ioctl = pd_ioctl, .getgeo = pd_getgeo, .media_changed = pd_check_media, .revalidate_disk= pd_revalidate |