[PATCH] don't mess with file in scsi_nonblockable_ioctl()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

4 files changed, 8 insertions, 5 deletions

diff --git a/drivers/scsi/scsi_ioctl.c b/drivers/scsi/scsi_ioctl.c
index 1f08f5a2f8f..dc1cfb2fd76 100644
--- a/drivers/scsi/scsi_ioctl.c
+++ b/drivers/scsi/scsi_ioctl.c
@@ -277,14 +277,14 @@ EXPORT_SYMBOL(scsi_ioctl);
  * @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 5d74413f591..5a18528a69d 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -761,7 +761,8 @@ static int sd_ioctl(struct inode * inode, struct file * filp,
 	 * 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 b92e2dac9aa..2fb8d4d2d6f 100644
--- a/drivers/scsi/sr.c
+++ b/drivers/scsi/sr.c
@@ -524,7 +524,8 @@ static int sr_block_ioctl(struct inode *inode, struct file *file, unsigned cmd,
 	 * 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 8dffac9f341..c959bdc55f4 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -3263,7 +3263,8 @@ static long st_ioctl(struct file *file, unsigned int cmd_in, unsigned long arg)
 	 * 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;