[PATCH] ata: fix return value check in ahci_seattle_get_port_info()

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From: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>

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.

Signed-off-by: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>
---
 drivers/ata/ahci_seattle.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/ata/ahci_seattle.c b/drivers/ata/ahci_seattle.c
index 6e702ab..1d31c0c 100644
--- a/drivers/ata/ahci_seattle.c
+++ b/drivers/ata/ahci_seattle.c
@@ -137,7 +137,7 @@ static const struct ata_port_info *ahci_seattle_get_port_info(
 	u32 val;
 
 	plat_data = devm_kzalloc(dev, sizeof(*plat_data), GFP_KERNEL);
-	if (IS_ERR(plat_data))
+	if (!plat_data)
 		return &ahci_port_info;
 
 	plat_data->sgpio_ctrl = devm_ioremap_resource(dev,


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