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lib: sbi: fix sbi_domain_get_assigned_hartmask()

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'1' is a 32 bit integer. When shifting it by more than 31 bits it becomes
zero and we get an incorrect return value.

Addresses-Coverity-ID: 1568356 Bad bit shift operation
Fixes: 296e70d69d ("lib: sbi: Extend sbi_hartmask to support both hartid and hartindex")
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Xiang W <wxjstz@126.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Heinrich Schuchardt 2023-09-27 16:14:51 +02:00 • committed by Anup Patel
parent d36709fcaf
commit 8197c2f1ec
1 changed files with 1 additions and 1 deletions
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lib/sbi/sbi_domain.c
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@ -76,7 +76,7 @@ ulong sbi_domain_get_assigned_hartmask(const struct sbi_domain *dom,
ulong ret = 0;
for (int i = 0; i < 8 * sizeof(ret); i++) {
if (sbi_domain_is_assigned_hart(dom, hbase + i))
ret |= 1 << i;
ret |= 1UL << i;
}
return ret;