diff options
| -rw-r--r-- | lib/sbi/sbi_domain_context.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/sbi/sbi_domain_context.c b/lib/sbi/sbi_domain_context.c index e909670c..5490df28 100644 --- a/lib/sbi/sbi_domain_context.c +++ b/lib/sbi/sbi_domain_context.c @@ -193,6 +193,10 @@ int sbi_domain_context_enter(struct sbi_domain *dom) struct hart_context *dom_ctx; struct hart_context *ctx = hart_context_thishart_get(); + /* Target domain must not be same as the current domain */ + if (!dom || dom == sbi_domain_thishart_ptr()) + return SBI_EINVAL; + /* * If it's first time to call `enter` on the current hart, no * context allocated before. Allocate context for each valid |