diff mbox series

[v2,19/34] staging: mmal-vchiq: If the VPU returns an error, don't negate it

Message ID 20200504092611.9798-20-laurent.pinchart@ideasonboard.com (mailing list archive)
State New, archived
Headers show
Series Drivers for the BCM283x CSI-2/CCP2 receiver and ISP | expand

Commit Message

Laurent Pinchart May 4, 2020, 9:25 a.m. UTC 
From: Dave Stevenson <dave.stevenson@raspberrypi.org>

There is an enum for the errors that the VPU can return.
port_parameter_get was negating that value, but also using -EINVAL
from the Linux error codes.
Pass the VPU error code as positive values. Should the function
need to pass a Linux failure, then return that as negative.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
---
 drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c b/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c
index 5e7d4263e39b..4e559f88d828 100644
--- a/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c
+++ b/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c
@@ -1395,7 +1395,8 @@  static int port_parameter_get(struct vchiq_mmal_instance *instance,
 		goto release_msg;
 	}
 
-	ret = -rmsg->u.port_parameter_get_reply.status;
+	ret = rmsg->u.port_parameter_get_reply.status;
+
 	/* port_parameter_get_reply.size includes the header,
 	 * whilst *value_size doesn't.
 	 */