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>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/mailbox/mailbox-xgene-slimpro.c b/drivers/mailbox/mailbox-xgene-slimpro.c
index bd07f39f0692..dd2afbca51c9 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);