Patch "clk: mediatek: clk-mt6765: Add check for mtk_alloc_clk_data" has been added to the 5.10-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-mt6765: Add check for mtk_alloc_clk_data

to the 5.10-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-mt6765-add-check-for-mtk_alloc_clk_.patch
and it can be found in the queue-5.10 subdirectory.

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



commit 358e9d24aa9d4887bafac78ce651c1a6a397eb10
Author: Jiasheng Jiang <jiasheng@xxxxxxxxxxx>
Date:   Tue Sep 12 17:34:03 2023 +0800

    clk: mediatek: clk-mt6765: Add check for mtk_alloc_clk_data
    
    [ Upstream commit b82681042724924ae3ba0f2f2eeec217fa31e830 ]
    
    Add the check for the return value of mtk_alloc_clk_data() in order to
    avoid NULL pointer dereference.
    
    Fixes: 1aca9939bf72 ("clk: mediatek: Add MT6765 clock support")
    Signed-off-by: Jiasheng Jiang <jiasheng@xxxxxxxxxxx>
    Link: https://lore.kernel.org/r/20230912093407.21505-1-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-mt6765.c b/drivers/clk/mediatek/clk-mt6765.c
index d77ea5aff2920..17352342b6989 100644
--- a/drivers/clk/mediatek/clk-mt6765.c
+++ b/drivers/clk/mediatek/clk-mt6765.c
@@ -785,6 +785,8 @@ static int clk_mt6765_apmixed_probe(struct platform_device *pdev)
 	}
 
 	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);
 
@@ -820,6 +822,8 @@ static int clk_mt6765_top_probe(struct platform_device *pdev)
 	}
 
 	clk_data = mtk_alloc_clk_data(CLK_TOP_NR_CLK);
+	if (!clk_data)
+		return -ENOMEM;
 
 	mtk_clk_register_fixed_clks(fixed_clks, ARRAY_SIZE(fixed_clks),
 				    clk_data);
@@ -860,6 +864,8 @@ static int clk_mt6765_ifr_probe(struct platform_device *pdev)
 	}
 
 	clk_data = mtk_alloc_clk_data(CLK_IFR_NR_CLK);
+	if (!clk_data)
+		return -ENOMEM;
 
 	mtk_clk_register_gates(node, ifr_clks, ARRAY_SIZE(ifr_clks),
 			       clk_data);



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