On failure of the call to the low-level comedi device driver's
`->attach()` handler from `__comedi_device_attach()`, reverse the
current ordering of the calls to `module_put()` and
`comedi_device_detach()` because `__comedi_device_detach()` will call
code in the module being put.
Signed-off-by: Ian Abbott <abbotti@xxxxxxxxx>
---
drivers/staging/comedi/drivers.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/comedi/drivers.c b/drivers/staging/comedi/drivers.c
index 73727a7..6f232b8 100644
--- a/drivers/staging/comedi/drivers.c
+++ b/drivers/staging/comedi/drivers.c
@@ -396,8 +396,8 @@ int comedi_device_attach(struct comedi_device *dev, struct comedi_devconfig *it)
dev->driver = driv;
ret = driv->attach(dev, it);
if (ret < 0) {
- module_put(dev->driver->module);
__comedi_device_detach(dev);
+ module_put(dev->driver->module);
return ret;
}
ret = comedi_device_postconfig(dev);
--
1.8.1.5
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