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Diffstat (limited to 'drivers/scsi/osst.c')
-rw-r--r--drivers/scsi/osst.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/scsi/osst.c b/drivers/scsi/osst.c
index b219118..8dbf1c3 100644
--- a/drivers/scsi/osst.c
+++ b/drivers/scsi/osst.c
@@ -4932,7 +4932,7 @@ static int os_scsi_tape_close(struct inode * inode, struct file * filp)
/* The ioctl command */
-static int osst_ioctl(struct inode * inode,struct file * file,
+static long osst_ioctl(struct file * file,
unsigned int cmd_in, unsigned long arg)
{
int i, cmd_nr, cmd_type, blk, retval = 0;
@@ -4943,8 +4943,11 @@ static int osst_ioctl(struct inode * inode,struct file * file,
char * name = tape_name(STp);
void __user * p = (void __user *)arg;
- if (mutex_lock_interruptible(&STp->lock))
+ lock_kernel();
+ if (mutex_lock_interruptible(&STp->lock)) {
+ unlock_kernel();
return -ERESTARTSYS;
+ }
#if DEBUG
if (debugging && !STp->in_use) {
@@ -5256,12 +5259,15 @@ static int osst_ioctl(struct inode * inode,struct file * file,
mutex_unlock(&STp->lock);
- return scsi_ioctl(STp->device, cmd_in, p);
+ retval = scsi_ioctl(STp->device, cmd_in, p);
+ unlock_kernel();
+ return retval;
out:
if (SRpnt) osst_release_request(SRpnt);
mutex_unlock(&STp->lock);
+ unlock_kernel();
return retval;
}
@@ -5613,7 +5619,7 @@ static const struct file_operations osst_fops = {
.owner = THIS_MODULE,
.read = osst_read,
.write = osst_write,
- .ioctl = osst_ioctl,
+ .unlocked_ioctl = osst_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = osst_compat_ioctl,
#endif