lkml.org 
[lkml]   [2021]   [Apr]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] memory: samsung: exynos5422-dmc: handle clk_set_parent() failure
Date
clk_set_parent() can fail and ignoring such case could lead to invalid
clock setup for given frequency.

Addresses-Coverity: Unchecked return value
Fixes: 6e7674c3c6df ("memory: Add DMC driver for Exynos5422")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
---
drivers/memory/samsung/exynos5422-dmc.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/memory/samsung/exynos5422-dmc.c b/drivers/memory/samsung/exynos5422-dmc.c
index 56f6e65d40cd..9c8318923ed0 100644
--- a/drivers/memory/samsung/exynos5422-dmc.c
+++ b/drivers/memory/samsung/exynos5422-dmc.c
@@ -1293,7 +1293,9 @@ static int exynos5_dmc_init_clks(struct exynos5_dmc *dmc)

dmc->curr_volt = target_volt;

- clk_set_parent(dmc->mout_mx_mspll_ccore, dmc->mout_spll);
+ ret = clk_set_parent(dmc->mout_mx_mspll_ccore, dmc->mout_spll);
+ if (ret)
+ return ret;

clk_prepare_enable(dmc->fout_bpll);
clk_prepare_enable(dmc->mout_bpll);
--
2.25.1
\
 
 \ /
  Last update: 2021-04-07 17:45    [W:0.047 / U:0.240 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site