Merge tag 'clk-microchip-fixes-6.2' of https://git.kernel.org/pub/scm/linux/kernel/git/at91/linux into clk-fixes

Pull a Microchip clock fix from Claudiu Beznea:

Only one fix for Polarfire SoCs at this time as follows:
- replace devm_kzalloc() with devm_kasprintf(); this has been marked as
  fix to avoid having registered 2 clocks with the same or invalid name in
  case device tree node addresses will be longer such that clocks
  registered with name patern "ccc<node_address>_pll<N>" will exeed the
  allocated space.

* tag 'clk-microchip-fixes-6.2' of https://git.kernel.org/pub/scm/linux/kernel/git/at91/linux:
  clk: microchip: mpfs-ccc: Use devm_kasprintf() for allocating formatted strings

1 files changed, 4 insertions, 6 deletions

diff --git a/drivers/clk/microchip/clk-mpfs-ccc.c b/drivers/clk/microchip/clk-mpfs-ccc.c
index 32aae880a14f..0ddc73e07be4 100644
--- a/drivers/clk/microchip/clk-mpfs-ccc.c
+++ b/drivers/clk/microchip/clk-mpfs-ccc.c
@@ -164,12 +164,11 @@ static int mpfs_ccc_register_outputs(struct device *dev, struct mpfs_ccc_out_hw_
 
 	for (unsigned int i = 0; i < num_clks; i++) {
 		struct mpfs_ccc_out_hw_clock *out_hw = &out_hws[i];
-		char *name = devm_kzalloc(dev, 23, GFP_KERNEL);
+		char *name = devm_kasprintf(dev, GFP_KERNEL, "%s_out%u", parent->name, i);
 
 		if (!name)
 			return -ENOMEM;
 
-		snprintf(name, 23, "%s_out%u", parent->name, i);
 		out_hw->divider.hw.init = CLK_HW_INIT_HW(name, &parent->hw, &clk_divider_ops, 0);
 		out_hw->divider.reg = data->pll_base[i / MPFS_CCC_OUTPUTS_PER_PLL] +
 			out_hw->reg_offset;
@@ -201,14 +200,13 @@ static int mpfs_ccc_register_plls(struct device *dev, struct mpfs_ccc_pll_hw_clo
 
 	for (unsigned int i = 0; i < num_clks; i++) {
 		struct mpfs_ccc_pll_hw_clock *pll_hw = &pll_hws[i];
-		char *name = devm_kzalloc(dev, 18, GFP_KERNEL);
 
-		if (!name)
+		pll_hw->name = devm_kasprintf(dev, GFP_KERNEL, "ccc%s_pll%u",
+					      strchrnul(dev->of_node->full_name, '@'), i);
+		if (!pll_hw->name)
 			return -ENOMEM;
 
 		pll_hw->base = data->pll_base[i];
-		snprintf(name, 18, "ccc%s_pll%u", strchrnul(dev->of_node->full_name, '@'), i);
-		pll_hw->name = (const char *)name;
 		pll_hw->hw.init = CLK_HW_INIT_PARENTS_DATA_FIXED_SIZE(pll_hw->name,
 								      pll_hw->parents,
 								      &mpfs_ccc_pll_ops, 0);