From: YiPeng Chai <YiPeng.Chai@amd.com>
Date: Tue, 12 May 2026 02:18:23 +0000 (+0800)
Subject: drm/amd/ras: add error handling for seqno operations
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d35e1086b0ad901ef64c52cb138fc0a1e8b0e95e;p=thirdparty%2Flinux.git

drm/amd/ras: add error handling for seqno operations

Add error handling for seqno operations.

Signed-off-by: YiPeng Chai <YiPeng.Chai@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/ras/ras_mgr/amdgpu_ras_mgr.c b/drivers/gpu/drm/amd/ras/ras_mgr/amdgpu_ras_mgr.c
index 79976e322b55..c12e756b4ef0 100644
--- a/drivers/gpu/drm/amd/ras/ras_mgr/amdgpu_ras_mgr.c
+++ b/drivers/gpu/drm/amd/ras/ras_mgr/amdgpu_ras_mgr.c
@@ -498,8 +498,10 @@ uint64_t amdgpu_ras_mgr_gen_ras_event_seqno(struct amdgpu_device *adev,
 	if ((seqno_type == RAS_SEQNO_TYPE_DE) ||
 	    (seqno_type == RAS_SEQNO_TYPE_POISON_CONSUMPTION)) {
 		ret = ras_core_put_seqno(ras_mgr->ras_core, seqno_type, seq_no);
-		if (ret)
+		if (ret) {
 			RAS_DEV_WARN(adev, "There are too many ras interrupts!");
+			return 0;
+		}
 	}
 
 	return seq_no;
diff --git a/drivers/gpu/drm/amd/ras/rascore/ras_core.c b/drivers/gpu/drm/amd/ras/rascore/ras_core.c
index 49b3aa7489ff..62d124a3eeac 100644
--- a/drivers/gpu/drm/amd/ras/rascore/ras_core.c
+++ b/drivers/gpu/drm/amd/ras/rascore/ras_core.c
@@ -196,9 +196,9 @@ uint64_t ras_core_gen_seqno(struct ras_core_context *ras_core,
 {
 	uint64_t seqno = 0;
 
-	if (ras_core->sys_fn &&
-		ras_core->sys_fn->gen_seqno)
-		ras_core->sys_fn->gen_seqno(ras_core, type, &seqno);
+	if (ras_core->sys_fn && ras_core->sys_fn->gen_seqno &&
+	    ras_core->sys_fn->gen_seqno(ras_core, type, &seqno))
+		return 0;
 
 	return seqno;
 }