From: Ira Weiny <[email protected]>
If the caller specifies a negative nr_pages that is an invalid
parameter.
Return -EINVAL to ensure callers get an errno if they want to check it.
Reviewed-by: Dan Williams <[email protected]>
Signed-off-by: Ira Weiny <[email protected]>
---
drivers/dax/super.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/dax/super.c b/drivers/dax/super.c
index 5fa6ae9dbc8b..44736cbd446e 100644
--- a/drivers/dax/super.c
+++ b/drivers/dax/super.c
@@ -313,7 +313,7 @@ long dax_direct_access(struct dax_device *dax_dev, pgoff_t pgoff, long nr_pages,
return -ENXIO;
if (nr_pages < 0)
- return nr_pages;
+ return -EINVAL;
avail = dax_dev->ops->direct_access(dax_dev, pgoff, nr_pages,
kaddr, pfn);
--
2.28.0.rc0.12.gb6a658bd00c9