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| author | Yizhuo <yzhai003@ucr.edu> | 2019-09-02 12:52:49 -0700 |
|---|---|---|
| committer | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2019-09-07 21:16:09 +0300 |
| commit | 09e7f2805c352dc38d13f663613663574a0584ad (patch) | |
| tree | 8c1ce94acf0e975a261439fa8110b8b433a1be09 /drivers/platform/x86/compal-laptop.c | |
| parent | 37d960a4d753605ca248baea577eaaa96f5dccf0 (diff) | |
| download | linux-09e7f2805c352dc38d13f663613663574a0584ad.tar.bz2 | |
platform/x86: compal-laptop: Initialize "value" in ec_read_u8()
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>
Diffstat (limited to 'drivers/platform/x86/compal-laptop.c')
| -rw-r--r-- | drivers/platform/x86/compal-laptop.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/platform/x86/compal-laptop.c b/drivers/platform/x86/compal-laptop.c index 09dfa6f48a1a..ab610376fdad 100644 --- a/drivers/platform/x86/compal-laptop.c +++ b/drivers/platform/x86/compal-laptop.c @@ -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; } |