s390/vmlogrdr: change return value from -ENOSYS to -EOPNOTSUPP
Changing the return value of vmlogrdr_open() to -EOPNOTSUPP if O_NONBLOCK
is specified shouldn't have any negative side effects.
Any existing user wouldn't specify that flag since it wouldn't work anyway.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/drivers/s390/char/vmlogrdr.c b/drivers/s390/char/vmlogrdr.c
index c131bc4..9b3a24e 100644
--- a/drivers/s390/char/vmlogrdr.c
+++ b/drivers/s390/char/vmlogrdr.c
@@ -321,7 +321,7 @@
* only allow for blocking reads to be open
*/
if (filp->f_flags & O_NONBLOCK)
- return -ENOSYS;
+ return -EOPNOTSUPP;
/* Besure this device hasn't already been opened */
spin_lock_bh(&logptr->priv_lock);