perf: remove duplicate check on fwnode

fwnode is checked IS_ERR_OR_NULL in following check by
is_of_node() or is_acpi_device_node(), remove duplicate check.

Signed-off-by: Wang Qing <wangqing@vivo.com>
Link: https://lore.kernel.org/r/1604644902-29655-1-git-send-email-wangqing@vivo.com
Signed-off-by: Will Deacon <will@kernel.org>

diff --git a/drivers/perf/arm_dsu_pmu.c b/drivers/perf/arm_dsu_pmu.c
index 98e68ed7db85f854974a42fe7536d4e396fd5c23..0459a340346942f96b41e9afc573d16b4930f74f 100644 (file)
--- a/drivers/perf/arm_dsu_pmu.c
+++ b/drivers/perf/arm_dsu_pmu.c
@@ -716,9 +716,6 @@ static int dsu_pmu_device_probe(struct platform_device *pdev)
        if (IS_ERR(dsu_pmu))
                return PTR_ERR(dsu_pmu);
 
-       if (IS_ERR_OR_NULL(fwnode))
-               return -ENOENT;
-
        if (is_of_node(fwnode))
                rc = dsu_pmu_dt_get_cpus(&pdev->dev, &dsu_pmu->associated_cpus);
        else if (is_acpi_device_node(fwnode))