linux-kernel - [PATCH] clk: lmk04832: fix checks for allocation failure

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Message-ID: <YNx2dyvB6MkVlsrl@mwanda>
Date:   Wed, 30 Jun 2021 16:49:43 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Michael Turquette <mturquette@...libre.com>,
        Liam Beguin <lvb@...hos.com>
Cc:     Stephen Boyd <sboyd@...nel.org>, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: [PATCH] clk: lmk04832: fix checks for allocation failure

The devm_kcalloc() function returns NULL on error, it never returns
error pointers so these conditions need to be fixed.

Fixes: 3bc61cfd6f4a ("clk: add support for the lmk04832")
Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
---
 drivers/clk/clk-lmk04832.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/clk/clk-lmk04832.c b/drivers/clk/clk-lmk04832.c
index 0cd76e626c3d..66ad5cbe7029 100644
--- a/drivers/clk/clk-lmk04832.c
+++ b/drivers/clk/clk-lmk04832.c
@@ -1425,23 +1425,23 @@ static int lmk04832_probe(struct spi_device *spi)
 
 	lmk->dclk = devm_kcalloc(lmk->dev, info->num_channels >> 1,
 				 sizeof(struct lmk_dclk), GFP_KERNEL);
-	if (IS_ERR(lmk->dclk)) {
-		ret = PTR_ERR(lmk->dclk);
+	if (!lmk->dclk) {
+		ret = -ENOMEM;
 		goto err_disable_oscin;
 	}
 
 	lmk->clkout = devm_kcalloc(lmk->dev, info->num_channels,
 				   sizeof(*lmk->clkout), GFP_KERNEL);
-	if (IS_ERR(lmk->clkout)) {
-		ret = PTR_ERR(lmk->clkout);
+	if (!lmk->clkout) {
+		ret = -ENOMEM;
 		goto err_disable_oscin;
 	}
 
 	lmk->clk_data = devm_kzalloc(lmk->dev, struct_size(lmk->clk_data, hws,
 							   info->num_channels),
 				     GFP_KERNEL);
-	if (IS_ERR(lmk->clk_data)) {
-		ret = PTR_ERR(lmk->clk_data);
+	if (!lmk->clk_data) {
+		ret = -ENOMEM;
 		goto err_disable_oscin;
 	}
 
-- 
2.30.2