Commit 9f8db3d7 authored Feb 28, 2019 by Maksim Masalski Committed by Andrew Boie Feb 28, 2019

can: cast value 1U to type ULL in function can_stm32_set_filter



Potentially overflowing expression 1U << register_demand
changed to the 1ULL << register_demand to avoid overflow.

Coverity-CID: 190996
Fixes: #13829
Signed-off-by: Maksim Masalski <maxxliferobot@gmail.com>

parent f32b94c4

drivers/can/stm32_can.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -655,7 +655,7 @@ static inline int can_stm32_set_filter(const struct zcan_filter *filter,

		do {
		u64_t usage_shifted = (device_data->filter_usage >> filter_nr);
		u64_t usage_demand_mask = ((u64_t)1U << register_demand) - 1;
		u64_t usage_demand_mask = (1ULL << register_demand) - 1;
		bool bank_is_empty;

		bank_nr = filter_nr / 4;

Admin message