[PATCH next] clk: mmp: pxa1908-mpmu: Fix a NULL vs IS_ERR() check in probe()

[Dan Carpenter <dan.carpenter@linaro.org>]

The devm_kzalloc() function returns NULL on error, not error pointers.
Update the check to match.

Fixes: ebac87cdd230 ("clk: mmp: Add Marvell PXA1908 MPMU driver")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
---
 drivers/clk/mmp/clk-pxa1908-mpmu.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/clk/mmp/clk-pxa1908-mpmu.c b/drivers/clk/mmp/clk-pxa1908-mpmu.c
index e3337bacaadd..90b4b2488574 100644
--- a/drivers/clk/mmp/clk-pxa1908-mpmu.c
+++ b/drivers/clk/mmp/clk-pxa1908-mpmu.c
@@ -78,8 +78,8 @@ static int pxa1908_mpmu_probe(struct platform_device *pdev)
 	struct pxa1908_clk_unit *pxa_unit;
 
 	pxa_unit = devm_kzalloc(&pdev->dev, sizeof(*pxa_unit), GFP_KERNEL);
-	if (IS_ERR(pxa_unit))
-		return PTR_ERR(pxa_unit);
+	if (!pxa_unit)
+		return -ENOMEM;
 
 	pxa_unit->base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(pxa_unit->base))
-- 
2.45.2