diff options
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/idxd/sysfs.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/dma/idxd/sysfs.c b/drivers/dma/idxd/sysfs.c index 4c01587c9d4a..a88886d0f27b 100644 --- a/drivers/dma/idxd/sysfs.c +++ b/drivers/dma/idxd/sysfs.c @@ -642,6 +642,9 @@ static ssize_t wq_block_on_fault_store(struct device *dev, bool bof; int rc; + if (!idxd->hw.gen_cap.block_on_fault) + return -EOPNOTSUPP; + if (!test_bit(IDXD_FLAG_CONFIGURABLE, &idxd->flags)) return -EPERM; |