bts.c: prevent signed integer overflow in depends_on code

bts.c:818:37: runtime error: left shift of 1 by 31 places cannot be represented in type 'int'

Change-Id: Ic68e6eb11fb70bf68d3f075fe2e467aedcbfaba8
This commit is contained in:
Harald Welte 2022-05-06 11:16:05 +02:00 committed by laforge
parent a09d78faa9
commit 52b910ebbd
1 changed files with 3 additions and 3 deletions

View File

@ -798,7 +798,7 @@ void bts_depend_mark(struct gsm_bts *bts, int dep)
int idx, bit;
depends_calc_index_bit(dep, &idx, &bit);
bts->depends_on[idx] |= 1 << bit;
bts->depends_on[idx] |= 1U << bit;
}
void bts_depend_clear(struct gsm_bts *bts, int dep)
@ -806,7 +806,7 @@ void bts_depend_clear(struct gsm_bts *bts, int dep)
int idx, bit;
depends_calc_index_bit(dep, &idx, &bit);
bts->depends_on[idx] &= ~(1 << bit);
bts->depends_on[idx] &= ~(1U << bit);
}
int bts_depend_is_depedency(struct gsm_bts *base, struct gsm_bts *other)
@ -815,7 +815,7 @@ int bts_depend_is_depedency(struct gsm_bts *base, struct gsm_bts *other)
depends_calc_index_bit(other->nr, &idx, &bit);
/* Check if there is a depends bit */
return (base->depends_on[idx] & (1 << bit)) > 0;
return (base->depends_on[idx] & (1U << bit)) > 0;
}
static int bts_is_online(struct gsm_bts *bts)