[PATCH] bus: fsl-mc: fix error return code in fsl_mc_object_allocate()

[Zhang Changzhong]

Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.

Fixes: 197f4d6a4a00 ("staging: fsl-mc: fsl-mc object allocator driver")
Reported-by: Hulk Robot <hul...@huawei.com>
Signed-off-by: Zhang Changzhong <zhangchangzh...@huawei.com>
---
 drivers/bus/fsl-mc/fsl-mc-allocator.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/bus/fsl-mc/fsl-mc-allocator.c 
b/drivers/bus/fsl-mc/fsl-mc-allocator.c
index e71a6f5..2d7c764 100644
--- a/drivers/bus/fsl-mc/fsl-mc-allocator.c
+++ b/drivers/bus/fsl-mc/fsl-mc-allocator.c
@@ -292,8 +292,10 @@ int __must_check fsl_mc_object_allocate(struct 
fsl_mc_device *mc_dev,
                goto error;
 
        mc_adev = resource->data;
-       if (!mc_adev)
+       if (!mc_adev) {
+               error = -EINVAL;
                goto error;
+       }
 
        mc_adev->consumer_link = device_link_add(&mc_dev->dev,
                                                 &mc_adev->dev,
-- 
2.9.5