summaryrefslogtreecommitdiff
path: root/drivers/clk
diff options
context:
space:
mode:
authorJiasheng Jiang <jiasheng@iscas.ac.cn>2023-09-12 17:34:04 +0800
committerStephen Boyd <sboyd@kernel.org>2023-10-18 18:15:14 -0700
commit1f57f78fbacf630430bf954e5a84caafdfea30c0 (patch)
tree9c735a22568ae7d641bbc892f1467d816190a753 /drivers/clk
parentb82681042724924ae3ba0f2f2eeec217fa31e830 (diff)
clk: mediatek: clk-mt6779: Add check for mtk_alloc_clk_data
Add the check for the return value of mtk_alloc_clk_data() in order to avoid NULL pointer dereference. Fixes: 710774e04861 ("clk: mediatek: Add MT6779 clock support") Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn> Link: https://lore.kernel.org/r/20230912093407.21505-2-jiasheng@iscas.ac.cn Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Diffstat (limited to 'drivers/clk')
-rw-r--r--drivers/clk/mediatek/clk-mt6779.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt6779.c b/drivers/clk/mediatek/clk-mt6779.c
index 3ee2f5a2319a..ffedb1fe3c67 100644
--- a/drivers/clk/mediatek/clk-mt6779.c
+++ b/drivers/clk/mediatek/clk-mt6779.c
@@ -1217,6 +1217,8 @@ static int clk_mt6779_apmixed_probe(struct platform_device *pdev)
struct device_node *node = pdev->dev.of_node;
clk_data = mtk_alloc_clk_data(CLK_APMIXED_NR_CLK);
+ if (!clk_data)
+ return -ENOMEM;
mtk_clk_register_plls(node, plls, ARRAY_SIZE(plls), clk_data);
@@ -1237,6 +1239,8 @@ static int clk_mt6779_top_probe(struct platform_device *pdev)
return PTR_ERR(base);
clk_data = mtk_alloc_clk_data(CLK_TOP_NR_CLK);
+ if (!clk_data)
+ return -ENOMEM;
mtk_clk_register_fixed_clks(top_fixed_clks, ARRAY_SIZE(top_fixed_clks),
clk_data);