commit fbefc5e7e63228d56963eeb0db10209ea0fafe9d
author Dmitry Torokhov <dmitry.torokhov@gmail.com> Tue Oct 28 09:27:58 2014 -0700
committer Dmitry Torokhov <dmitry.torokhov@gmail.com> Fri Oct 31 09:30:44 2014 -0700
tree ac7352b6a72cbc78768fd16294c330a57249bd19
parent 185af4d6668e4805d18d1bdf21dfec89d680fee3

Input: max77693-haptic - fix potential overflow

Expression haptic->pwm_dev->period * haptic->magnitude is of type
'unsigned int' and may overflow. We need to convert one of the operands
to u64 before multiplying, instead of casting result (potentially
overflown) to u64.

Reported by Coverity: CID 1248753

Acked-by : Jaewon Kim <jaewon02.kim@samsung.com>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>