[PATCH v3 5/9] lib: sbi_domain_context: propagate error from sbi_hart_protection_reconfigure

[Yu-Chien Peter Lin]

Propagate the return value of sbi_hart_protection_reconfigure in
switch_to_next_domain_context to ensure that domain transition
failures are correctly handled by the caller.

Signed-off-by: Yu-Chien Peter Lin <peter.lin at sifive.com>
---
Change v2->v3:
- New patch: propagate return value of sbi_hart_protection_reconfigure()
  in switch_to_next_domain_context().
---
 lib/sbi/sbi_domain_context.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/sbi/sbi_domain_context.c b/lib/sbi/sbi_domain_context.c
index 987ac7fa..1751d016 100644
--- a/lib/sbi/sbi_domain_context.c
+++ b/lib/sbi/sbi_domain_context.c
@@ -110,6 +110,7 @@ static int switch_to_next_domain_context(struct hart_context *ctx,
 	MUST_NOT_HOLD(&ctx->dom->assigned_harts_lock)
 	MUST_NOT_HOLD(&dom_ctx->dom->assigned_harts_lock)
 {
+	int rc;
 	u32 hartindex = current_hartindex();
 	struct sbi_trap_context *trap_ctx;
 	struct sbi_domain *current_dom, *target_dom;
@@ -173,7 +174,9 @@ static int switch_to_next_domain_context(struct hart_context *ctx,
 	 * is also required for some of the above CSR updates (such
 	 * as satp CSR).
 	 */
-	sbi_hart_protection_reconfigure(scratch, current_dom, target_dom);
+	rc = sbi_hart_protection_reconfigure(scratch, current_dom, target_dom);
+	if (rc)
+		return rc;
 
 	/* Mark current context structure initialized because context saved */
 	ctx->initialized = true;
-- 
2.43.7