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[4.19,222/346] bus: fsl-mc: fix error return code in fsl_mc_object_allocate()

Message ID 20201228124930.507458827@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg Kroah-Hartman Dec. 28, 2020, 12:49 p.m. UTC 
From: Zhang Changzhong <zhangchangzhong@huawei.com>

[ Upstream commit 3d70fb03711c37bc64e8e9aea5830f498835f6bf ]

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 <hulkci@huawei.com>
Acked-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>
Link: https://lore.kernel.org/r/1607068967-31991-1-git-send-email-zhangchangzhong@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/bus/fsl-mc/fsl-mc-allocator.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/bus/fsl-mc/fsl-mc-allocator.c b/drivers/bus/fsl-mc/fsl-mc-allocator.c
index e906ecfe23dd8..9cb0733a03991 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;
+	}
 
 	*new_mc_adev = mc_adev;
 	return 0;