diff options
| author | Greg KH <gregkh@linuxfoundation.org> | 2019-05-08 13:40:42 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-07-26 10:12:38 +0300 |
| commit | 4b0361247eedcfbdb743d99d3ea63a1838e8cf31 (patch) | |
| tree | c633c7dd78450b6aac6f9af8bf237beb74467604 /drivers/edac | |
| parent | a2fd0a9bc30056a262831d6610d3edeaa3b04c1b (diff) | |
| download | linux-4b0361247eedcfbdb743d99d3ea63a1838e8cf31.tar.xz | |
EDAC/sysfs: Drop device references properly
[ Upstream commit 7adc05d2dc3af95e4e1534841d58f736262142cd ]
Do put_device() if device_add() fails.
[ bp: do device_del() for the successfully created devices in
edac_create_csrow_objects(), on the unwind path. ]
Signed-off-by: Greg KH <gregkh@linuxfoundation.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20190427214925.GE16338@kroah.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/edac')
| -rw-r--r-- | drivers/edac/edac_mc_sysfs.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/edac/edac_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c index 464174685589..bf9273437e3f 100644 --- a/drivers/edac/edac_mc_sysfs.c +++ b/drivers/edac/edac_mc_sysfs.c @@ -443,7 +443,8 @@ error: csrow = mci->csrows[i]; if (!nr_pages_per_csrow(csrow)) continue; - put_device(&mci->csrows[i]->dev); + + device_del(&mci->csrows[i]->dev); } return err; @@ -645,9 +646,11 @@ static int edac_create_dimm_object(struct mem_ctl_info *mci, dev_set_drvdata(&dimm->dev, dimm); pm_runtime_forbid(&mci->dev); - err = device_add(&dimm->dev); + err = device_add(&dimm->dev); + if (err) + put_device(&dimm->dev); - edac_dbg(0, "creating rank/dimm device %s\n", dev_name(&dimm->dev)); + edac_dbg(0, "created rank/dimm device %s\n", dev_name(&dimm->dev)); return err; } @@ -928,6 +931,7 @@ int edac_create_sysfs_mci_device(struct mem_ctl_info *mci, err = device_add(&mci->dev); if (err < 0) { edac_dbg(1, "failure: create device %s\n", dev_name(&mci->dev)); + put_device(&mci->dev); goto out; } |