diff options
| author | Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> | 2021-04-07 17:45:35 +0200 |
|---|---|---|
| committer | Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> | 2021-04-13 16:55:41 +0200 |
| commit | 132c17c3ff878c7beaba51bdd275d5cc654c0e33 (patch) | |
| tree | 7012a90470c7e1772fe4982465b331d5dcc1ab2a /drivers/memory | |
| parent | memory: renesas-rpc-if: fix possible NULL pointer dereference of resource (diff) | |
| download | linux-132c17c3ff878c7beaba51bdd275d5cc654c0e33.tar.xz linux-132c17c3ff878c7beaba51bdd275d5cc654c0e33.zip | |
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')
| -rw-r--r-- | drivers/memory/samsung/exynos5422-dmc.c | 4 |
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); |