Messages in this thread Patch in this message | | | From | Zhen Lei <> | Subject | [PATCH 1/1] driver core: Fix error return code in really_probe() | Date | Wed, 7 Jul 2021 15:43:01 +0800 |
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In the case of error handling, the error code returned by the subfunction should be propagated instead of 0.
Fixes: 1901fb2604fb ("Driver core: fix "driver" symlink timing") Fixes: 23b6904442d0 ("driver core: add dev_groups to all drivers") Fixes: 8fd456ec0cf0 ("driver core: Add state_synced sysfs file for devices that support it") Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com> --- drivers/base/dd.c | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-)
diff --git a/drivers/base/dd.c b/drivers/base/dd.c index daeb9b5763ae..2b8cdb78384c 100644 --- a/drivers/base/dd.c +++ b/drivers/base/dd.c @@ -580,7 +580,8 @@ static int really_probe(struct device *dev, struct device_driver *drv) goto probe_failed; } - if (driver_sysfs_add(dev)) { + ret = driver_sysfs_add(dev); + if (ret) { pr_err("%s: driver_sysfs_add(%s) failed\n", __func__, dev_name(dev)); goto probe_failed; @@ -602,15 +603,18 @@ static int really_probe(struct device *dev, struct device_driver *drv) goto probe_failed; } - if (device_add_groups(dev, drv->dev_groups)) { + ret = device_add_groups(dev, drv->dev_groups); + if (ret) { dev_err(dev, "device_add_groups() failed\n"); goto dev_groups_failed; } - if (dev_has_sync_state(dev) && - device_create_file(dev, &dev_attr_state_synced)) { - dev_err(dev, "state_synced sysfs add failed\n"); - goto dev_sysfs_state_synced_failed; + if (dev_has_sync_state(dev)) { + ret = device_create_file(dev, &dev_attr_state_synced); + if (ret) { + dev_err(dev, "state_synced sysfs add failed\n"); + goto dev_sysfs_state_synced_failed; + } } if (test_remove) { -- 2.25.1
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