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authorKrzysztof Kozlowski2021-04-07 17:45:35 +0200
committerKrzysztof Kozlowski2021-04-13 16:55:41 +0200
commit132c17c3ff878c7beaba51bdd275d5cc654c0e33 (patch)
tree7012a90470c7e1772fe4982465b331d5dcc1ab2a /drivers/memory/samsung
parent59e27d7c94aa02da039b000d33c304c179395801 (diff)
memory: samsung: exynos5422-dmc: handle clk_set_parent() failure
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> Reviewed-by: Lukasz Luba <lukasz.luba@arm.com> Link: https://lore.kernel.org/r/20210407154535.70756-1-krzysztof.kozlowski@canonical.com
Diffstat (limited to 'drivers/memory/samsung')
-rw-r--r--drivers/memory/samsung/exynos5422-dmc.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/memory/samsung/exynos5422-dmc.c b/drivers/memory/samsung/exynos5422-dmc.c
index 1dabb509dec3..dee503640e12 100644
--- a/drivers/memory/samsung/exynos5422-dmc.c
+++ b/drivers/memory/samsung/exynos5422-dmc.c
@@ -1298,7 +1298,9 @@ 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);