mailbox: xgene-slimpro: Fix wrong test for devm_kzalloc

devm_kzalloc() returns NULL on failure.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>

diff --git a/drivers/mailbox/mailbox-xgene-slimpro.c b/drivers/mailbox/mailbox-xgene-slimpro.c
index bd07f39..dd2afbc 100644 (file)
--- a/drivers/mailbox/mailbox-xgene-slimpro.c
+++ b/drivers/mailbox/mailbox-xgene-slimpro.c
@@ -189,8 +189,8 @@ static int slimpro_mbox_probe(struct platform_device *pdev)
        int i;
 
        ctx = devm_kzalloc(&pdev->dev, sizeof(struct slimpro_mbox), GFP_KERNEL);
-       if (IS_ERR(ctx))
-               return PTR_ERR(ctx);
+       if (!ctx)
+               return -ENOMEM;
 
        platform_set_drvdata(pdev, ctx);