soc: xilinx: Fix error code in zynqmp_pm_probe()

[ Upstream commit a6f2f0fdc73aacc6e10ae48ae78634dba26702d4 ]

This should be returning PTR_ERR() but it returns IS_ERR() instead.

Fixes: ffdbae28d9d1 ("drivers: soc: xilinx: Use mailbox IPI callback")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Link: https://lore.kernel.org/r/20200605110020.GA978434@mwanda
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/soc/xilinx/zynqmp_power.c b/drivers/soc/xilinx/zynqmp_power.c
index 31ff49fcd078b3084ebc41033330912568182615..c556623dae024874b6eaa1122dfcee50ad97bc97 100644 (file)
--- a/drivers/soc/xilinx/zynqmp_power.c
+++ b/drivers/soc/xilinx/zynqmp_power.c
@@ -205,7 +205,7 @@ static int zynqmp_pm_probe(struct platform_device *pdev)
                rx_chan = mbox_request_channel_byname(client, "rx");
                if (IS_ERR(rx_chan)) {
                        dev_err(&pdev->dev, "Failed to request rx channel\n");
-                       return IS_ERR(rx_chan);
+                       return PTR_ERR(rx_chan);
                }
        } else if (of_find_property(pdev->dev.of_node, "interrupts", NULL)) {
                irq = platform_get_irq(pdev, 0);