[PATCH] driver-core: fix odd_ptr_err.cocci warnings

From: Julia Lawall
Date: Thu Nov 10 2016 - 15:16:19 EST


PTR_ERR should access the value just tested by IS_ERR

Generated by: scripts/coccinelle/tests/odd_ptr_err.cocci

CC: Dmitry Torokhov <dtor@xxxxxxxxxxxx>
Signed-off-by: Julia Lawall <julia.lawall@xxxxxxx>
Signed-off-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
---

0-day warning related to the following commit:

tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git driver-core-testing
head: dfea747d2aba77443acf7ce6fa37caa729bd034c
commit: 79543cf2b18ea4a35f8864849d7ad8882ea8a23d [10/14] driver-core: add test module for asynchronous probing

I haven't checked the context in detail.


test_async_driver_probe.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/base/test/test_async_driver_probe.c
+++ b/drivers/base/test/test_async_driver_probe.c
@@ -119,7 +119,7 @@ static int __init test_async_probe_init(
sync_dev_1 = platform_device_register_simple("test_sync_driver", 1,
NULL, 0);
if (IS_ERR(async_dev_1)) {
- error = PTR_ERR(sync_dev_1);
+ error = PTR_ERR(async_dev_1);
pr_err("failed to create sync_dev_1: %d", error);
goto err_unregister_sync_driver;
}