diff options
| author | Zhen Lei <thunder.leizhen@huawei.com> | 2021-07-07 09:43:01 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-07-21 16:16:23 +0200 |
| commit | f04948dea236b000da09c466a7ec931ecd8d7867 (patch) | |
| tree | 588de45b69cd34111b47dc06428b5ff12657315a /drivers/base | |
| parent | firmware: fix theoretical UAF race with firmware cache and resume (diff) | |
| download | linux-f04948dea236b000da09c466a7ec931ecd8d7867.tar.xz linux-f04948dea236b000da09c466a7ec931ecd8d7867.zip | |
driver core: Fix error return code in really_probe()
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>
Link: https://lore.kernel.org/r/20210707074301.2722-1-thunder.leizhen@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/base')
| -rw-r--r-- | drivers/base/dd.c | 16 |
1 files 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 @@ re_probe: 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 @@ re_probe: 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) { |