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platform/x86: compal-laptop: Initialize "value" in ec_read_u8()

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In function ec_read_u8(), variable "value" could be uninitialized
if ec_read() fails. However, "value" is returned directly and used
in its callers. This is potentially unsafe.

Signed-off-by: Yizhuo <yzhai003@ucr.edu>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
This commit is contained in:
Yizhuo 2019-09-02 12:52:49 -07:00 committed by Andy Shevchenko
parent 37d960a4d7
commit 09e7f2805c
1 changed files with 1 additions and 1 deletions
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drivers/platform/x86/compal-laptop.c
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@ -226,7 +226,7 @@ static const unsigned char pwm_lookup_table[256] = {
/* General access */
static u8 ec_read_u8(u8 addr)
{
u8 value;
u8 value = 0;
ec_read(addr, &value);
return value;
}