linux-kernel - [PATCH] habanalabs: Fix static analysis error

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Message-Id: <20200527080029.28989-1-ttayar@habana.ai>
Date:   Wed, 27 May 2020 11:00:29 +0300
From:   Tomer Tayar <ttayar@...ana.ai>
To:     oded.gabbay@...il.com, SW_Drivers@...ana.ai
Cc:     linux-kernel@...r.kernel.org
Subject: [PATCH] habanalabs: Fix static analysis error

Fix the following smatch error in unmap_device_va():
error: uninitialized symbol 'rc'.

Signed-off-by: Tomer Tayar <ttayar@...ana.ai>
---
 drivers/misc/habanalabs/memory.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/misc/habanalabs/memory.c b/drivers/misc/habanalabs/memory.c
index 4b8eed1ca513..47da84a17719 100644
--- a/drivers/misc/habanalabs/memory.c
+++ b/drivers/misc/habanalabs/memory.c
@@ -1023,7 +1023,7 @@ static int unmap_device_va(struct hl_ctx *ctx, u64 vaddr, bool ctx_free)
 	struct hl_va_range *va_range;
 	enum vm_type_t *vm_type;
 	bool is_userptr;
-	int rc;
+	int rc = 0;
 
 	/* protect from double entrance */
 	mutex_lock(&ctx->mem_hash_lock);
-- 
2.17.1