[PATCH] don't mess with file in scsi_nonblockable_ioctl()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/drivers/scsi/scsi_ioctl.c b/drivers/scsi/scsi_ioctl.c
index 1f08f5a..dc1cfb2 100644
--- a/drivers/scsi/scsi_ioctl.c
+++ b/drivers/scsi/scsi_ioctl.c
@@ -277,14 +277,14 @@
* @filp: either NULL or a &struct file which must have the O_NONBLOCK flag.
*/
int scsi_nonblockable_ioctl(struct scsi_device *sdev, int cmd,
- void __user *arg, struct file *filp)
+ void __user *arg, int ndelay)
{
int val, result;
/* The first set of iocts may be executed even if we're doing
* error processing, as long as the device was opened
* non-blocking */
- if (filp && (filp->f_flags & O_NONBLOCK)) {
+ if (ndelay) {
if (scsi_host_in_recovery(sdev->host))
return -ENODEV;
} else if (!scsi_block_when_processing_errors(sdev))
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 5d74413..5a18528 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -761,7 +761,8 @@
* may try and take the device offline, in which case all further
* access to the device is prohibited.
*/
- error = scsi_nonblockable_ioctl(sdp, cmd, p, filp);
+ error = scsi_nonblockable_ioctl(sdp, cmd, p,
+ filp ? filp->f_flags & O_NDELAY : 0);
if (!scsi_block_when_processing_errors(sdp) || !error)
return error;
diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c
index b92e2da..2fb8d4d 100644
--- a/drivers/scsi/sr.c
+++ b/drivers/scsi/sr.c
@@ -524,7 +524,8 @@
* case fall through to scsi_ioctl, which will return ENDOEV again
* if it doesn't recognise the ioctl
*/
- ret = scsi_nonblockable_ioctl(sdev, cmd, argp, NULL);
+ ret = scsi_nonblockable_ioctl(sdev, cmd, argp,
+ file ? file->f_flags & O_NDELAY : 0);
if (ret != -ENODEV)
return ret;
return scsi_ioctl(sdev, cmd, argp);
diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index 8dffac9..c959bdc 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -3263,7 +3263,8 @@
* may try and take the device offline, in which case all further
* access to the device is prohibited.
*/
- retval = scsi_nonblockable_ioctl(STp->device, cmd_in, p, file);
+ retval = scsi_nonblockable_ioctl(STp->device, cmd_in, p,
+ file->f_flags & O_NDELAY);
if (!scsi_block_when_processing_errors(STp->device) || retval != -ENODEV)
goto out;
retval = 0;