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lib: sbi: Ensure domidx_to_domain_table is null-terminated

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>
Andrew Jones 1 年之前
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66b0e23a0c
共有 1 個文件被更改,包括 5 次插入1 次删除
  1. 5 1
      lib/sbi/sbi_domain.c

+ 5 - 1
lib/sbi/sbi_domain.c

@@ -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;