In mv_platform_probe(), check the return value of clk_prepare_enable()
and return the error code if clk_prepare_enable() returns an
unexpected value.
Signed-off-by: Ma Ke <make_ruc2021@xxxxxxx>
---
drivers/ata/sata_mv.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c
index 45e48d653c60..e82786c63fbd 100644
--- a/drivers/ata/sata_mv.c
+++ b/drivers/ata/sata_mv.c
@@ -4123,10 +4123,13 @@ static int mv_platform_probe(struct platform_device *pdev)
hpriv->base -= SATAHC0_REG_BASE;
hpriv->clk = clk_get(&pdev->dev, NULL);
- if (IS_ERR(hpriv->clk))
+ if (IS_ERR(hpriv->clk)) {
dev_notice(&pdev->dev, "cannot get optional clkdev\n");
- else
- clk_prepare_enable(hpriv->clk);
+ } else {
+ rc = clk_prepare_enable(hpriv->clk);
+ if (rc)
+ goto err;
+ }
for (port = 0; port < n_ports; port++) {
char port_number[16];
--
2.37.2
