mirror of
https://github.com/Divested-Mobile/DivestOS-Build.git
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47 lines
1.5 KiB
Diff
47 lines
1.5 KiB
Diff
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From 900b8b72c57cefebb39c150dfddfdd493a1cea79 Mon Sep 17 00:00:00 2001
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From: Steve Pfetsch <spfetsch@google.com>
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Date: Mon, 7 Nov 2016 16:20:11 -0800
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Subject: [PATCH] input: ldaf: Initialize buffers before use.
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Prevent writing uninitialized stack data to calibration files by
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zeroing out buffers upon creation.
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Bug: 31799972
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Bug: 31795790
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Change-Id: Ic848d4d1e181818f461e4b61ad73ada28a474bd1
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---
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drivers/input/misc/vl6180/stmvl6180_module.c | 6 +++---
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1 file changed, 3 insertions(+), 3 deletions(-)
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diff --git a/drivers/input/misc/vl6180/stmvl6180_module.c b/drivers/input/misc/vl6180/stmvl6180_module.c
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index c61cc0f063424..78bc7f6844c33 100755
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--- a/drivers/input/misc/vl6180/stmvl6180_module.c
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+++ b/drivers/input/misc/vl6180/stmvl6180_module.c
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@@ -107,7 +107,7 @@ static int stmvl6180_stop(struct stmvl6180_data *data);
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static void stmvl6180_read_calibration_file(void)
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{
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struct file *f;
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- char buf[8];
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+ char buf[8] = {0};
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mm_segment_t fs;
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int i, is_sign = 0;
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@@ -184,7 +184,7 @@ static void stmvl6180_read_calibration_file(void)
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static void stmvl6180_write_offset_calibration_file(void)
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{
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struct file *f = NULL;
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- char buf[8];
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+ char buf[8] = {0};
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mm_segment_t fs;
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f = filp_open(CAL_FILE_OFFSET, O_CREAT | O_TRUNC | O_RDWR,
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@@ -207,7 +207,7 @@ static void stmvl6180_write_offset_calibration_file(void)
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static void stmvl6180_write_xtalk_calibration_file(void)
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{
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struct file *f = NULL;
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- char buf[8];
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+ char buf[8] = {0};
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mm_segment_t fs;
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f = filp_open(CAL_FILE_XTALK, O_CREAT | O_TRUNC | O_RDWR,
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