[PATCH] mailbox: xgene-slimpro: Fix wrong test for devm_kzalloc

[Axel Lin]

devm_kzalloc() returns NULL on failure.

Signed-off-by: Axel Lin <axel....@ingics.com>
---
 drivers/mailbox/mailbox-xgene-slimpro.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mailbox/mailbox-xgene-slimpro.c 
b/drivers/mailbox/mailbox-xgene-slimpro.c
index bd07f39..dd2afbc 100644
--- 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);
 
-- 
2.1.4