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soc: ti: ti_sci_pm_domains: Check for null return of devm_kcalloc

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[ Upstream commit ba56291e29 ]

The allocation funciton devm_kcalloc may fail and return a null pointer,
which would cause a null-pointer dereference later.
It might be better to check it and directly return -ENOMEM just like the
usage of devm_kcalloc in previous code.

Signed-off-by: QintaoShen <unSimple1993@163.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Link: https://lore.kernel.org/r/1648107843-29077-1-git-send-email-unSimple1993@163.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
QintaoShen 2022-03-24 15:44:03 +08:00 • committed by Justin Hammond
parent fd73c6f4a0
commit d3d7bff058
1 changed files with 2 additions and 0 deletions
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2
drivers/soc/ti/ti_sci_pm_domains.c
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@ -183,6 +183,8 @@ static int ti_sci_pm_domain_probe(struct platform_device *pdev)
devm_kcalloc(dev, max_id + 1,
sizeof(*pd_provider->data.domains),
GFP_KERNEL);
if (!pd_provider->data.domains)
return -ENOMEM;
pd_provider->data.num_domains = max_id + 1;
pd_provider->data.xlate = ti_sci_pd_xlate;