From: Wang Ming machel@vivo.com
The devm_memremap() function returns error pointers. It never returns NULL. Fix the check.
Fixes: 7ca5ce896524 ("firmware: add Intel Stratix10 service layer driver") Cc: stable@vger.kernel.org Signed-off-by: Wang Ming machel@vivo.com Signed-off-by: Dinh Nguyen dinguyen@kernel.org --- drivers/firmware/stratix10-svc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/firmware/stratix10-svc.c b/drivers/firmware/stratix10-svc.c index 260695a8a9e6..c693da60e9a9 100644 --- a/drivers/firmware/stratix10-svc.c +++ b/drivers/firmware/stratix10-svc.c @@ -774,7 +774,7 @@ svc_create_memory_pool(struct platform_device *pdev, paddr = begin; size = end - begin; va = devm_memremap(dev, paddr, size, MEMREMAP_WC); - if (!va) { + if (IS_ERR(va)) { dev_err(dev, "fail to remap shared memory\n"); return ERR_PTR(-EINVAL); }