linux-kernel - [PATCH 5/7] habanalabs: fix type of variable

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Message-Id: <20210711125418.17533-5-ogabbay@kernel.org>
Date:   Sun, 11 Jul 2021 15:54:16 +0300
From:   Oded Gabbay <ogabbay@...nel.org>
To:     linux-kernel@...r.kernel.org
Subject: [PATCH 5/7] habanalabs: fix type of variable

Recently, the size parameter in userptr structure was change to u64.
As a result, we need to change the type of the local range_size
in device_va_to_pa() to u64 to avoid overflow.

Signed-off-by: Oded Gabbay <ogabbay@...nel.org>
---
 drivers/misc/habanalabs/common/debugfs.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/misc/habanalabs/common/debugfs.c b/drivers/misc/habanalabs/common/debugfs.c
index 51744e42b808..2c587af28f9b 100644
--- a/drivers/misc/habanalabs/common/debugfs.c
+++ b/drivers/misc/habanalabs/common/debugfs.c
@@ -491,11 +491,10 @@ static int device_va_to_pa(struct hl_device *hdev, u64 virt_addr, u32 size,
 	struct hl_vm_phys_pg_pack *phys_pg_pack;
 	struct hl_ctx *ctx = hdev->compute_ctx;
 	struct hl_vm_hash_node *hnode;
+	u64 end_address, range_size;
 	struct hl_userptr *userptr;
 	enum vm_type *vm_type;
 	bool valid = false;
-	u64 end_address;
-	u32 range_size;
 	int i, rc = 0;
 
 	if (!ctx) {
-- 
2.25.1