[PATCH] switch sg_scsi_ioctl() to passing fmode_t
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c
index 9a44155..375e25d 100644
--- a/block/scsi_ioctl.c
+++ b/block/scsi_ioctl.c
@@ -379,12 +379,11 @@
* bytes in one int) where the lowest byte is the SCSI status.
*/
#define OMAX_SB_LEN 16 /* For backward compatibility */
-int sg_scsi_ioctl(struct file *file, struct request_queue *q,
- struct gendisk *disk, struct scsi_ioctl_command __user *sic)
+int sg_scsi_ioctl(struct request_queue *q, struct gendisk *disk, fmode_t mode,
+ struct scsi_ioctl_command __user *sic)
{
struct request *rq;
int err;
- fmode_t write_perm = 0;
unsigned int in_len, out_len, bytes, opcode, cmdlen;
char *buffer = NULL, sense[SCSI_SENSE_BUFFERSIZE];
@@ -426,11 +425,7 @@
if (in_len && copy_from_user(buffer, sic->data + cmdlen, in_len))
goto error;
- /* scsi_ioctl passes NULL */
- if (file && (file->f_mode & FMODE_WRITE))
- write_perm = FMODE_WRITE;
-
- err = blk_verify_command(&q->cmd_filter, rq->cmd, write_perm);
+ err = blk_verify_command(&q->cmd_filter, rq->cmd, mode & FMODE_WRITE);
if (err)
goto error;
@@ -636,7 +631,7 @@
if (!arg)
break;
- err = sg_scsi_ioctl(file, q, bd_disk, arg);
+ err = sg_scsi_ioctl(q, bd_disk, file ? file->f_mode : 0, arg);
break;
case CDROMCLOSETRAY:
err = blk_send_start_stop(q, bd_disk, 0x03);
diff --git a/drivers/scsi/scsi_ioctl.c b/drivers/scsi/scsi_ioctl.c
index 28b19ef..1f08f5a 100644
--- a/drivers/scsi/scsi_ioctl.c
+++ b/drivers/scsi/scsi_ioctl.c
@@ -237,7 +237,7 @@
case SCSI_IOCTL_SEND_COMMAND:
if (!capable(CAP_SYS_ADMIN) || !capable(CAP_SYS_RAWIO))
return -EACCES;
- return sg_scsi_ioctl(NULL, sdev->request_queue, NULL, arg);
+ return sg_scsi_ioctl(sdev->request_queue, NULL, 0, arg);
case SCSI_IOCTL_DOORLOCK:
return scsi_set_medium_removal(sdev, SCSI_REMOVAL_PREVENT);
case SCSI_IOCTL_DOORUNLOCK:
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 93bd59a..9adf35b 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -1059,7 +1059,7 @@
if (sg_allow_access(filp, &opcode))
return -EPERM;
}
- return sg_scsi_ioctl(filp, sdp->device->request_queue, NULL, p);
+ return sg_scsi_ioctl(sdp->device->request_queue, NULL, filp->f_mode, p);
case SG_SET_DEBUG:
result = get_user(val, ip);
if (result)
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index a4413ec..8945c30 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -719,8 +719,8 @@
extern void blk_recount_segments(struct request_queue *, struct bio *);
extern int scsi_cmd_ioctl(struct file *, struct request_queue *,
struct gendisk *, unsigned int, void __user *);
-extern int sg_scsi_ioctl(struct file *, struct request_queue *,
- struct gendisk *, struct scsi_ioctl_command __user *);
+extern int sg_scsi_ioctl(struct request_queue *, struct gendisk *, fmode_t,
+ struct scsi_ioctl_command __user *);
/*
* Temporary export, until SCSI gets fixed up.