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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-03-13 19:28:43 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-03-22 09:25:49 +0100 |
| commit | cb4a0bec0bb982991b27d6826f3372890cebb8ab (patch) | |
| tree | 3b0b708d391bfab250cbab5f6a79d5bb6923afba /drivers/edac | |
| parent | 6b301ded45a6d9538f5f579a2e9f4b6c45fa988b (diff) | |
| download | linux-stable-cb4a0bec0bb982991b27d6826f3372890cebb8ab.tar.gz linux-stable-cb4a0bec0bb982991b27d6826f3372890cebb8ab.tar.bz2 linux-stable-cb4a0bec0bb982991b27d6826f3372890cebb8ab.zip | |
EDAC/sysfs: move to use bus_get_dev_root()
Direct access to the struct bus_type dev_root pointer is going away soon
so replace that with a call to bus_get_dev_root() instead, which is what
it is there for.
Cc: Borislav Petkov <bp@alien8.de>
Cc: Tony Luck <tony.luck@intel.com>
Cc: James Morse <james.morse@arm.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: Robert Richter <rric@kernel.org>
Cc: linux-edac@vger.kernel.org
Link: https://lore.kernel.org/r/20230313182918.1312597-1-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/edac')
| -rw-r--r-- | drivers/edac/edac_device_sysfs.c | 16 | ||||
| -rw-r--r-- | drivers/edac/edac_pci_sysfs.c | 14 |
2 files changed, 18 insertions, 12 deletions
diff --git a/drivers/edac/edac_device_sysfs.c b/drivers/edac/edac_device_sysfs.c index ac678b4a21fc..010c26be5846 100644 --- a/drivers/edac/edac_device_sysfs.c +++ b/drivers/edac/edac_device_sysfs.c @@ -228,8 +228,9 @@ static struct kobj_type ktype_device_ctrl = { */ int edac_device_register_sysfs_main_kobj(struct edac_device_ctl_info *edac_dev) { + struct device *dev_root; struct bus_type *edac_subsys; - int err; + int err = -ENODEV; edac_dbg(1, "\n"); @@ -247,15 +248,16 @@ int edac_device_register_sysfs_main_kobj(struct edac_device_ctl_info *edac_dev) */ edac_dev->owner = THIS_MODULE; - if (!try_module_get(edac_dev->owner)) { - err = -ENODEV; + if (!try_module_get(edac_dev->owner)) goto err_out; - } /* register */ - err = kobject_init_and_add(&edac_dev->kobj, &ktype_device_ctrl, - &edac_subsys->dev_root->kobj, - "%s", edac_dev->name); + dev_root = bus_get_dev_root(edac_subsys); + if (dev_root) { + err = kobject_init_and_add(&edac_dev->kobj, &ktype_device_ctrl, + &dev_root->kobj, "%s", edac_dev->name); + put_device(dev_root); + } if (err) { edac_dbg(1, "Failed to register '.../edac/%s'\n", edac_dev->name); diff --git a/drivers/edac/edac_pci_sysfs.c b/drivers/edac/edac_pci_sysfs.c index 888d5728ecef..287cc51dbc86 100644 --- a/drivers/edac/edac_pci_sysfs.c +++ b/drivers/edac/edac_pci_sysfs.c @@ -337,8 +337,9 @@ static struct kobj_type ktype_edac_pci_main_kobj = { */ static int edac_pci_main_kobj_setup(void) { - int err; + int err = -ENODEV; struct bus_type *edac_subsys; + struct device *dev_root; edac_dbg(0, "\n"); @@ -357,7 +358,6 @@ static int edac_pci_main_kobj_setup(void) */ if (!try_module_get(THIS_MODULE)) { edac_dbg(1, "try_module_get() failed\n"); - err = -ENODEV; goto decrement_count_fail; } @@ -369,9 +369,13 @@ static int edac_pci_main_kobj_setup(void) } /* Instanstiate the pci object */ - err = kobject_init_and_add(edac_pci_top_main_kobj, - &ktype_edac_pci_main_kobj, - &edac_subsys->dev_root->kobj, "pci"); + dev_root = bus_get_dev_root(edac_subsys); + if (dev_root) { + err = kobject_init_and_add(edac_pci_top_main_kobj, + &ktype_edac_pci_main_kobj, + &dev_root->kobj, "pci"); + put_device(dev_root); + } if (err) { edac_dbg(1, "Failed to register '.../edac/pci'\n"); goto kobject_init_and_add_fail; |