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rpmsg: smd: Fix a kobj leak in in qcom_smd_parse_edge()

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We need to call of_node_put(node) on the error paths for this function.

Fixes: 53e2822e56 ("rpmsg: Introduce Qualcomm SMD backend")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20200908071841.GA294938@mwanda
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This commit is contained in:
Dan Carpenter 2020-09-08 10:18:41 +03:00 committed by Bjorn Andersson
parent 9123e3a74e
commit e69ee0cf65
1 changed files with 22 additions and 10 deletions
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32
drivers/rpmsg/qcom_smd.c
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@ -1338,7 +1338,7 @@ static int qcom_smd_parse_edge(struct device *dev,
ret = of_property_read_u32(node, key, &edge->edge_id);
if (ret) {
dev_err(dev, "edge missing %s property\n", key);
return -EINVAL;
goto put_node;
}
edge->remote_pid = QCOM_SMEM_HOST_ANY;
@ -1349,32 +1349,37 @@ static int qcom_smd_parse_edge(struct device *dev,
edge->mbox_client.knows_txdone = true;
edge->mbox_chan = mbox_request_channel(&edge->mbox_client, 0);
if (IS_ERR(edge->mbox_chan)) {
if (PTR_ERR(edge->mbox_chan) != -ENODEV)
return PTR_ERR(edge->mbox_chan);
if (PTR_ERR(edge->mbox_chan) != -ENODEV) {
ret = PTR_ERR(edge->mbox_chan);
goto put_node;
}
edge->mbox_chan = NULL;
syscon_np = of_parse_phandle(node, "qcom,ipc", 0);
if (!syscon_np) {
dev_err(dev, "no qcom,ipc node\n");
return -ENODEV;
ret = -ENODEV;
goto put_node;
}
edge->ipc_regmap = syscon_node_to_regmap(syscon_np);
if (IS_ERR(edge->ipc_regmap))
return PTR_ERR(edge->ipc_regmap);
if (IS_ERR(edge->ipc_regmap)) {
ret = PTR_ERR(edge->ipc_regmap);
goto put_node;
}
key = "qcom,ipc";
ret = of_property_read_u32_index(node, key, 1, &edge->ipc_offset);
if (ret < 0) {
dev_err(dev, "no offset in %s\n", key);
return -EINVAL;
goto put_node;
}
ret = of_property_read_u32_index(node, key, 2, &edge->ipc_bit);
if (ret < 0) {
dev_err(dev, "no bit in %s\n", key);
return -EINVAL;
goto put_node;
}
}
@ -1385,7 +1390,8 @@ static int qcom_smd_parse_edge(struct device *dev,
irq = irq_of_parse_and_map(node, 0);
if (irq < 0) {
dev_err(dev, "required smd interrupt missing\n");
return -EINVAL;
ret = irq;
goto put_node;
}
ret = devm_request_irq(dev, irq,
@ -1393,12 +1399,18 @@ static int qcom_smd_parse_edge(struct device *dev,
node->name, edge);
if (ret) {
dev_err(dev, "failed to request smd irq\n");
return ret;
goto put_node;
}
edge->irq = irq;
return 0;
put_node:
of_node_put(node);
edge->of_node = NULL;
return ret;
}
/*