linux-kernel - [PATCH 5.18 255/879] drm/selftests: missing error code in igt_buddy_alloc

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Date:   Tue,  7 Jun 2022 18:56:13 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Dan Carpenter <dan.carpenter@...cle.com>,
        Arunpravin <Arunpravin.PaneerSelvam@....com>,
        Christian König <christian.koenig@....com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.18 255/879] drm/selftests: missing error code in igt_buddy_alloc_smoke()

From: Dan Carpenter <dan.carpenter@...cle.com>

[ Upstream commit 016d1ca3f6ad05676fd9e418715ddce1f4ab5a73 ]

Set the error code to -ENOMEM if drm_random_order() fails.

Fixes: e6ff5ef81170 ("drm/selftests: add drm buddy smoke testcase")
Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
Reviewed-by: Arunpravin <Arunpravin.PaneerSelvam@....com>
Signed-off-by: Christian König <christian.koenig@....com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220307125458.GA16710@kili
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/gpu/drm/selftests/test-drm_buddy.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/selftests/test-drm_buddy.c b/drivers/gpu/drm/selftests/test-drm_buddy.c
index 913cbd7eae04..aca0c491040f 100644
--- a/drivers/gpu/drm/selftests/test-drm_buddy.c
+++ b/drivers/gpu/drm/selftests/test-drm_buddy.c
@@ -488,8 +488,10 @@ static int igt_buddy_alloc_smoke(void *arg)
 	}
 
 	order = drm_random_order(mm.max_order + 1, &prng);
-	if (!order)
+	if (!order) {
+		err = -ENOMEM;
 		goto out_fini;
+	}
 
 	for (i = 0; i <= mm.max_order; ++i) {
 		struct drm_buddy_block *block;
-- 
2.35.1