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| author | Zhuang Yuyao <mlistz@gmail.com> | 2016-04-18 00:21:42 (GMT) |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@free-electrons.com> | 2016-04-21 21:20:59 (GMT) |
| commit | 9a3dce62cc5640d7ea17733a2bd1b57665c232b0 (patch) | |
| tree | 18262d9099432d76b6598453783c69ea25d77c8a /drivers/nvmem | |
| parent | 00c9329ebe2d19a13afd86ba75218f868f2788ba (diff) | |
| download | linux-9a3dce62cc5640d7ea17733a2bd1b57665c232b0.tar.xz | |
rtc: ds1307: ds3231 temperature s16 overflow
while retrieving temperature from ds3231, the result may be overflow
since s16 is too small for a multiplication with 250.
ie. if temp_buf[0] == 0x2d, the result (s16 temp) will be negative.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Tested-by: Michael Tatarinov <kukabu@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Diffstat (limited to 'drivers/nvmem')
0 files changed, 0 insertions, 0 deletions