Instead of invoking panic, the samsung_clk_init returns a NULL pointer to indicate that an error has occurred. All the drivers using this function were changed appropriately (in this case just the clk-exynos5410).
This patch was suggested by Tomasz Figa in http://www.mail-archive.com/linux-samsung-soc@vger.kernel.org/msg34982.html Signed-off-by: Humberto Silva Naves <hsna...@gmail.com> --- drivers/clk/samsung/clk-exynos5410.c | 2 ++ drivers/clk/samsung/clk.c | 8 +++++--- 2 files changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/clk/samsung/clk-exynos5410.c b/drivers/clk/samsung/clk-exynos5410.c index 231475b..19657b4 100644 --- a/drivers/clk/samsung/clk-exynos5410.c +++ b/drivers/clk/samsung/clk-exynos5410.c @@ -193,6 +193,8 @@ static void __init exynos5410_clk_init(struct device_node *np) panic("%s: failed to map registers\n", __func__); ctx = samsung_clk_init(np, reg_base, CLK_NR_CLKS); + if (!ctx) + panic("%s: unable to allocate context.\n", __func__); samsung_clk_register_pll(ctx, exynos5410_plls, ARRAY_SIZE(exynos5410_plls), reg_base); diff --git a/drivers/clk/samsung/clk.c b/drivers/clk/samsung/clk.c index deab84d..0cf0ec6 100644 --- a/drivers/clk/samsung/clk.c +++ b/drivers/clk/samsung/clk.c @@ -57,11 +57,13 @@ struct samsung_clk_provider *__init samsung_clk_init(struct device_node *np, ctx = kzalloc(sizeof(struct samsung_clk_provider), GFP_KERNEL); if (!ctx) - panic("could not allocate clock provider context.\n"); + return NULL; clk_table = kcalloc(nr_clks, sizeof(struct clk *), GFP_KERNEL); - if (!clk_table) - panic("could not allocate clock lookup table\n"); + if (!clk_table) { + kfree(ctx); + return NULL; + } for (i = 0; i < nr_clks; ++i) clk_table[i] = ERR_PTR(-ENOENT); -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
