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Diffstat (limited to 'drivers/s390')
-rw-r--r--drivers/s390/char/vmur.c7
-rw-r--r--drivers/s390/char/vmur.h1
2 files changed, 7 insertions, 1 deletions
diff --git a/drivers/s390/char/vmur.c b/drivers/s390/char/vmur.c
index 04395c0f99d..a9d58629e79 100644
--- a/drivers/s390/char/vmur.c
+++ b/drivers/s390/char/vmur.c
@@ -565,9 +565,14 @@ static int verify_device(struct urdev *urd)
return -ENOMEM;
rc = diag_read_file(urd->dev_id.devno, buf);
kfree(buf);
-
if ((rc != 0) && (rc != -ENODATA)) /* EOF does not hurt */
return rc;
+ /* check if the file on top of the queue is open now */
+ rc = diag_read_next_file_info(&fcb, 0);
+ if (rc)
+ return rc;
+ if (!(fcb.file_stat & FLG_IN_USE))
+ return -EMFILE;
return 0;
default:
return -ENOTSUPP;
diff --git a/drivers/s390/char/vmur.h b/drivers/s390/char/vmur.h
index 522a9dfaa27..2b3c564e047 100644
--- a/drivers/s390/char/vmur.h
+++ b/drivers/s390/char/vmur.h
@@ -53,6 +53,7 @@ struct file_control_block {
#define FLG_SYSTEM_HOLD 0x04
#define FLG_CP_DUMP 0x10
#define FLG_USER_HOLD 0x20
+#define FLG_IN_USE 0x80
/*
* A struct urdev is created for each ur device that is made available