https://github.com/torvalds/linux
Revision 9a3dce62cc5640d7ea17733a2bd1b57665c232b0 authored by Zhuang Yuyao on 18 April 2016, 00:21:42 UTC, committed by Alexandre Belloni on 21 April 2016, 21:20:59 UTC
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>
1 parent 00c9329
History
Tip revision: 9a3dce62cc5640d7ea17733a2bd1b57665c232b0 authored by Zhuang Yuyao on 18 April 2016, 00:21:42 UTC
rtc: ds1307: ds3231 temperature s16 overflow
Tip revision: 9a3dce6
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