diff mbox series

HID: hiddev: Return specific error codes on connect failure

Message ID 20210211193059.70291-1-jason.gerecke@wacom.com (mailing list archive)
State New
Delegated to: Jiri Kosina
Headers show
Series HID: hiddev: Return specific error codes on connect failure | expand

Commit Message

Jason Gerecke Feb. 11, 2021, 7:30 p.m. UTC
The only caller of this function only cares about gross success/failure
but we still might as well resolve the following smatch warning and fix
the other error paths as well:

    hiddev.c:894 hiddev_connect() warn: returning -1 instead of -ENOMEM is sloppy

Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
---
 drivers/hid/usbhid/hiddev.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

Comments

Jiri Kosina March 8, 2021, 10:13 a.m. UTC | #1
On Thu, 11 Feb 2021, Jason Gerecke wrote:

> The only caller of this function only cares about gross success/failure
> but we still might as well resolve the following smatch warning and fix
> the other error paths as well:
> 
>     hiddev.c:894 hiddev_connect() warn: returning -1 instead of -ENOMEM is sloppy
> 
> Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>

Applied, thank you Jason.
diff mbox series

Patch

diff --git a/drivers/hid/usbhid/hiddev.c b/drivers/hid/usbhid/hiddev.c
index 45e0b1c75cb1..2fb2991dbe4c 100644
--- a/drivers/hid/usbhid/hiddev.c
+++ b/drivers/hid/usbhid/hiddev.c
@@ -887,11 +887,11 @@  int hiddev_connect(struct hid_device *hid, unsigned int force)
 				break;
 
 		if (i == hid->maxcollection)
-			return -1;
+			return -EINVAL;
 	}
 
 	if (!(hiddev = kzalloc(sizeof(struct hiddev), GFP_KERNEL)))
-		return -1;
+		return -ENOMEM;
 
 	init_waitqueue_head(&hiddev->wait);
 	INIT_LIST_HEAD(&hiddev->list);
@@ -905,7 +905,7 @@  int hiddev_connect(struct hid_device *hid, unsigned int force)
 		hid_err(hid, "Not able to get a minor for this device\n");
 		hid->hiddev = NULL;
 		kfree(hiddev);
-		return -1;
+		return retval;
 	}
 
 	/*