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staging: mmal-vchiq: If the VPU returns an error, don't negate it

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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>
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Link: https://lore.kernel.org/r/20200629150945.10720-7-nsaenzjulienne@suse.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dave Stevenson 2020-06-29 17:09:04 +02:00 committed by Greg Kroah-Hartman
parent 20e006b898
commit 7c71d489bd
1 changed files with 2 additions and 1 deletions
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3
drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c
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@ -1270,7 +1270,8 @@ 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.
*/