[PATCH 13/14] staging: fsl-mc: return -EINVAL for all fsl_mc_portal_allocate() failures

[Stuart Yoder]

From: Horia GeantÄ <horia.geanta@xxxxxxx>

There are some error paths that allow for a NULL new_mc_io and err = 0
return code. Return -EINVAL instead.

Signed-off-by: Horia GeantÄ <horia.geanta@xxxxxxx>
Signed-off-by: Stuart Yoder <stuart.yoder@xxxxxxx>
---
 drivers/staging/fsl-mc/bus/mc-allocator.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/staging/fsl-mc/bus/mc-allocator.c b/drivers/staging/fsl-mc/bus/mc-allocator.c
index 4676ba1..7ee71e7 100644
--- a/drivers/staging/fsl-mc/bus/mc-allocator.c
+++ b/drivers/staging/fsl-mc/bus/mc-allocator.c
@@ -306,6 +306,7 @@ int __must_check fsl_mc_portal_allocate(struct fsl_mc_device *mc_dev,
 	if (error < 0)
 		return error;
 
+	error = -EINVAL;
 	dpmcp_dev = resource->data;
 	if (WARN_ON(!dpmcp_dev))
 		goto error_cleanup_resource;
-- 
1.7.9.5