In case of error, the function devm_kzalloc() returns NULL
pointer not ERR_PTR(). The IS_ERR() test in the return value
check should be replaced with NULL test.
Fixes: 97961f78e8bc ("mailbox: imx: support i.MX8ULP S4 MU")
Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
---
drivers/mailbox/imx-mailbox.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/mailbox/imx-mailbox.c b/drivers/mailbox/imx-mailbox.c
index ffe36a6bef9e..544de2db6453 100644
--- a/drivers/mailbox/imx-mailbox.c
+++ b/drivers/mailbox/imx-mailbox.c
@@ -563,8 +563,8 @@ static int imx_mu_probe(struct platform_device *pdev)
size = sizeof(struct imx_sc_rpc_msg_max);
priv->msg = devm_kzalloc(dev, size, GFP_KERNEL);
- if (IS_ERR(priv->msg))
- return PTR_ERR(priv->msg);
+ if (!priv->msg)
+ return -ENOMEM;
priv->clk = devm_clk_get(dev, NULL);
if (IS_ERR(priv->clk)) {
