Patch "clk: mediatek: clk-mt6779: Add check for mtk_alloc_clk_data" has been added to the 6.1-stable tree

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This is a note to let you know that I've just added the patch titled

    clk: mediatek: clk-mt6779: Add check for mtk_alloc_clk_data

to the 6.1-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     clk-mediatek-clk-mt6779-add-check-for-mtk_alloc_clk_.patch
and it can be found in the queue-6.1 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit b99732a02bac3df129e13252f57cdcaf333f9157
Author: Jiasheng Jiang <jiasheng@xxxxxxxxxxx>
Date:   Tue Sep 12 17:34:04 2023 +0800

    clk: mediatek: clk-mt6779: Add check for mtk_alloc_clk_data
    
    [ Upstream commit 1f57f78fbacf630430bf954e5a84caafdfea30c0 ]
    
    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@xxxxxxxxxxx>
    Link: https://lore.kernel.org/r/20230912093407.21505-2-jiasheng@xxxxxxxxxxx
    Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
    Signed-off-by: Stephen Boyd <sboyd@xxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/clk/mediatek/clk-mt6779.c b/drivers/clk/mediatek/clk-mt6779.c
index 0d0a90ee5eb2c..39dadc9547088 100644
--- a/drivers/clk/mediatek/clk-mt6779.c
+++ b/drivers/clk/mediatek/clk-mt6779.c
@@ -1218,6 +1218,8 @@ 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);
 
@@ -1238,6 +1240,8 @@ 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);



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