linux-kernel - [PATCH 5.12 104/292] habanalabs: remove node from list before freeing the node

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Date:   Mon, 19 Jul 2021 16:52:46 +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, Koby Elbaz <kelbaz@...ana.ai>,
        Oded Gabbay <ogabbay@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.12 104/292] habanalabs: remove node from list before freeing the node

From: Koby Elbaz <kelbaz@...ana.ai>

[ Upstream commit f5eb7bf0c487a212ebda3c1b048fc3ccabacc147 ]

fix the following smatch warnings:

goya_pin_memory_before_cs()
warn: '&userptr->job_node' not removed from list

gaudi_pin_memory_before_cs()
warn: '&userptr->job_node' not removed from list

Signed-off-by: Koby Elbaz <kelbaz@...ana.ai>
Reviewed-by: Oded Gabbay <ogabbay@...nel.org>
Signed-off-by: Oded Gabbay <ogabbay@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/misc/habanalabs/gaudi/gaudi.c | 1 +
 drivers/misc/habanalabs/goya/goya.c   | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/misc/habanalabs/gaudi/gaudi.c b/drivers/misc/habanalabs/gaudi/gaudi.c
index a03f13aa47f8..0c6092ebbc04 100644
--- a/drivers/misc/habanalabs/gaudi/gaudi.c
+++ b/drivers/misc/habanalabs/gaudi/gaudi.c
@@ -4901,6 +4901,7 @@ already_pinned:
 	return 0;
 
 unpin_memory:
+	list_del(&userptr->job_node);
 	hl_unpin_host_memory(hdev, userptr);
 free_userptr:
 	kfree(userptr);
diff --git a/drivers/misc/habanalabs/goya/goya.c b/drivers/misc/habanalabs/goya/goya.c
index ed566c52ccaa..45c9065c4b92 100644
--- a/drivers/misc/habanalabs/goya/goya.c
+++ b/drivers/misc/habanalabs/goya/goya.c
@@ -3249,6 +3249,7 @@ already_pinned:
 	return 0;
 
 unpin_memory:
+	list_del(&userptr->job_node);
 	hl_unpin_host_memory(hdev, userptr);
 free_userptr:
 	kfree(userptr);
-- 
2.30.2