Patch "clk: add missing of_node_put() in "assigned-clocks" property parsing" has been added to the 4.19-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

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

    clk: add missing of_node_put() in "assigned-clocks" property parsing

to the 4.19-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-add-missing-of_node_put-in-assigned-clocks-prope.patch
and it can be found in the queue-4.19 subdirectory.

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



commit 21e7b221568642f754e77f66cb24bf4bd818b381
Author: Clément Léger <clement.leger@xxxxxxxxxxx>
Date:   Tue Jan 31 09:32:27 2023 +0100

    clk: add missing of_node_put() in "assigned-clocks" property parsing
    
    [ Upstream commit 27a6e1b09a782517fddac91259970ac466a3f7b6 ]
    
    When returning from of_parse_phandle_with_args(), the np member of the
    of_phandle_args structure should be put after usage. Add missing
    of_node_put() calls in both __set_clk_parents() and __set_clk_rates().
    
    Fixes: 86be408bfbd8 ("clk: Support for clock parents and rates assigned from device tree")
    Signed-off-by: Clément Léger <clement.leger@xxxxxxxxxxx>
    Link: https://lore.kernel.org/r/20230131083227.10990-1-clement.leger@xxxxxxxxxxx
    Signed-off-by: Stephen Boyd <sboyd@xxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/clk/clk-conf.c b/drivers/clk/clk-conf.c
index 49819b546134b..5c6760e45a16e 100644
--- a/drivers/clk/clk-conf.c
+++ b/drivers/clk/clk-conf.c
@@ -36,9 +36,12 @@ static int __set_clk_parents(struct device_node *node, bool clk_supplier)
 			else
 				return rc;
 		}
-		if (clkspec.np == node && !clk_supplier)
+		if (clkspec.np == node && !clk_supplier) {
+			of_node_put(clkspec.np);
 			return 0;
+		}
 		pclk = of_clk_get_from_provider(&clkspec);
+		of_node_put(clkspec.np);
 		if (IS_ERR(pclk)) {
 			if (PTR_ERR(pclk) != -EPROBE_DEFER)
 				pr_warn("clk: couldn't get parent clock %d for %pOF\n",
@@ -51,10 +54,12 @@ static int __set_clk_parents(struct device_node *node, bool clk_supplier)
 		if (rc < 0)
 			goto err;
 		if (clkspec.np == node && !clk_supplier) {
+			of_node_put(clkspec.np);
 			rc = 0;
 			goto err;
 		}
 		clk = of_clk_get_from_provider(&clkspec);
+		of_node_put(clkspec.np);
 		if (IS_ERR(clk)) {
 			if (PTR_ERR(clk) != -EPROBE_DEFER)
 				pr_warn("clk: couldn't get assigned clock %d for %pOF\n",
@@ -96,10 +101,13 @@ static int __set_clk_rates(struct device_node *node, bool clk_supplier)
 				else
 					return rc;
 			}
-			if (clkspec.np == node && !clk_supplier)
+			if (clkspec.np == node && !clk_supplier) {
+				of_node_put(clkspec.np);
 				return 0;
+			}
 
 			clk = of_clk_get_from_provider(&clkspec);
+			of_node_put(clkspec.np);
 			if (IS_ERR(clk)) {
 				if (PTR_ERR(clk) != -EPROBE_DEFER)
 					pr_warn("clk: couldn't get clock %d for %pOF\n",