usb: gadget: FunctionFS: Return -ENOENT instead of -ENODEV when device not found.
Syscall mount returns -ENODEV error if requested FS type
has not been found. Returning the same error from FFS mount
callback makes value returned to userspace misleading.
Other file systems returns -ENOENT if requested device
has not been found. Adjust FFS to this convention to make
error codes meaningfull.
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c
index 74202d6..88d6fa2 100644
--- a/drivers/usb/gadget/f_fs.c
+++ b/drivers/usb/gadget/f_fs.c
@@ -2899,12 +2899,12 @@
ffs_dev = _ffs_find_dev(dev_name);
if (!ffs_dev)
- ffs_dev = ERR_PTR(-ENODEV);
+ ffs_dev = ERR_PTR(-ENOENT);
else if (ffs_dev->mounted)
ffs_dev = ERR_PTR(-EBUSY);
else if (ffs_dev->ffs_acquire_dev_callback &&
ffs_dev->ffs_acquire_dev_callback(ffs_dev))
- ffs_dev = ERR_PTR(-ENODEV);
+ ffs_dev = ERR_PTR(-ENOENT);
else
ffs_dev->mounted = true;