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35 lines
1.1 KiB
Diff
35 lines
1.1 KiB
Diff
From 6997dcb7ade1315474855821e64782205cb0b53a Mon Sep 17 00:00:00 2001
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From: Mohammed Khajapasha <mkhaja@codeaurora.org>
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Date: Tue, 28 Jun 2016 11:55:34 +0530
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Subject: msm-core: use get_user() API to read userspace data/settings
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Currently userspace data is getting accessed directly
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and leading to crash, So use get_user() API to copy
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userspace data/settings to kernel space.
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Change-Id: I3a75ec9503d8207829640bf88e1c3160bf72c9f0
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Signed-off-by: Mohammed Khajapasha <mkhaja@codeaurora.org>
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---
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drivers/power/qcom/msm-core.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/drivers/power/qcom/msm-core.c b/drivers/power/qcom/msm-core.c
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index 286c89f..8a55fd0 100644
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--- a/drivers/power/qcom/msm-core.c
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+++ b/drivers/power/qcom/msm-core.c
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@@ -486,9 +486,9 @@ static long msm_core_ioctl(struct file *file, unsigned int cmd,
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return -EINVAL;
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get_user(cluster, &argp->cluster);
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- mpidr = (argp->cluster << (MAX_CORES_PER_CLUSTER *
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+ mpidr = (cluster << (MAX_CORES_PER_CLUSTER *
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MAX_NUM_OF_CLUSTERS));
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- cpumask = argp->cpumask;
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+ get_user(cpumask, &argp->cpumask);
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switch (cmd) {
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case EA_LEAKAGE:
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--
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cgit v1.1
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