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lib: sbi: Ensure domidx_to_domain_table is null-terminated

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sbi_domain_for_each() requires domidx_to_domain_table[] to be
null-terminated. Allocate one extra element which will always
be null.

Signed-off-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Andrew Jones 2023-01-30 17:42:24 +01:00 • committed by Anup Patel
parent 199189bd1c
commit 66b0e23a0c
1 changed files with 5 additions and 1 deletions
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6
lib/sbi/sbi_domain.c
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@ -17,8 +17,12 @@
#include <sbi/sbi_scratch.h>
#include <sbi/sbi_string.h>
/*
* We allocate an extra element because sbi_domain_for_each() expects
* the array to be null-terminated.
*/
struct sbi_domain *domidx_to_domain_table[SBI_DOMAIN_MAX_INDEX + 1] = { 0 };
struct sbi_domain *hartid_to_domain_table[SBI_HARTMASK_MAX_BITS] = { 0 };
struct sbi_domain *domidx_to_domain_table[SBI_DOMAIN_MAX_INDEX] = { 0 };
static u32 domain_count = 0;
static bool domain_finalized = false;