diff options
| author | Sylwester Nawrocki <s.nawrocki@samsung.com> | 2013-08-05 16:10:52 +0200 |
|---|---|---|
| committer | Chanho Park <chanho61.park@samsung.com> | 2014-11-18 11:44:44 +0900 |
| commit | 27b13f782937cd3bdce8a506ded3f7585e466cf0 (patch) | |
| tree | 859830f5a52b44d4313ce15463ac6f74ba4852d8 /arch/arm/mach-exynos | |
| parent | 734a4aebefebfb72188d8b01654731f80a33c09f (diff) | |
| download | linux-3.10-27b13f782937cd3bdce8a506ded3f7585e466cf0.tar.gz linux-3.10-27b13f782937cd3bdce8a506ded3f7585e466cf0.tar.bz2 linux-3.10-27b13f782937cd3bdce8a506ded3f7585e466cf0.zip | |
ARM: EXYNOS: Avoid potential invalid genpd pointer dereference
dev_to_gend() may return an invalid pointer. Make
exynos_remove_device_from_domain() function return and do
nothing is such case. This prevents an invalid pointer
dereference further in the function.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Diffstat (limited to 'arch/arm/mach-exynos')
| -rw-r--r-- | arch/arm/mach-exynos/pm_domains.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm/mach-exynos/pm_domains.c b/arch/arm/mach-exynos/pm_domains.c index 9f1351de52f..435e396850c 100644 --- a/arch/arm/mach-exynos/pm_domains.c +++ b/arch/arm/mach-exynos/pm_domains.c @@ -107,6 +107,9 @@ static void exynos_remove_device_from_domain(struct device *dev) struct generic_pm_domain *genpd = dev_to_genpd(dev); int ret; + if (IS_ERR(genpd)) + return; + dev_dbg(dev, "removing from power domain %s\n", genpd->name); while (1) { |