[PATCH 2/2] mmc: sdhci-of-arasan: Make sure clk_init_data is fully initialized
From: Geert Uytterhoeven <geert+renesas@glider.be>
Date: 2026-08-21 10:06:16
Also in:
linux-amlogic, linux-clk, linux-mmc
Subsystem:
arm/zynq architecture, multimedia card (mmc), secure digital (sd) and sdio subsystem, secure digital host controller interface (sdhci) driver, the rest · Maintainers:
Michal Simek, Ulf Hansson, Adrian Hunter, Linus Torvalds
The clk_init_data structure contains several mutually-exclusive members for different methods to specify the possible parents of a clock, prompting drivers to initialize only the members they need. However, not initializing all members may cause subtle issues, which are only exposed when CONFIG_INIT_STACK_ALL_PATTERN or CONFIG_INIT_STACK_NONE is enabled. Make sure all members are fully initialized, to avoid such bugs, and to prevent future breakage when converting drivers to a different method for specifying the parents. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> --- Compile-tested only. --- drivers/mmc/host/sdhci-of-arasan.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/mmc/host/sdhci-of-arasan.c b/drivers/mmc/host/sdhci-of-arasan.c
index 4ca73e7d799ead0d..0ee22923ad568124 100644
--- a/drivers/mmc/host/sdhci-of-arasan.c
+++ b/drivers/mmc/host/sdhci-of-arasan.c@@ -1552,8 +1552,8 @@ sdhci_arasan_register_sdcardclk(struct sdhci_arasan_data *sdhci_arasan, struct device *dev) { struct sdhci_arasan_clk_data *clk_data = &sdhci_arasan->clk_data; + struct clk_init_data sdcardclk_init = {}; struct device_node *np = dev->of_node; - struct clk_init_data sdcardclk_init; const char *parent_clk_name; int ret;
@@ -1604,8 +1604,8 @@ sdhci_arasan_register_sampleclk(struct sdhci_arasan_data *sdhci_arasan, struct device *dev) { struct sdhci_arasan_clk_data *clk_data = &sdhci_arasan->clk_data; + struct clk_init_data sampleclk_init = {}; struct device_node *np = dev->of_node; - struct clk_init_data sampleclk_init; const char *parent_clk_name; int ret;
--
2.43.0