-- From: Greg KH <[email protected]> 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 <[email protected]> Signed-off-by: Borislav Petkov <[email protected]> Link: https://lkml.kernel.org/r/[email protected] --- drivers/edac/edac_mc_sysfs.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/edac/edac_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c index 9b7d396f26e9..7c01e1cc030c 100644 --- a/drivers/edac/edac_mc_sysfs.c +++ b/drivers/edac/edac_mc_sysfs.c @@ -449,7 +449,8 @@ static int edac_create_csrow_objects(struct mem_ctl_info *mci) 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; @@ -651,9 +652,11 @@ 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; } @@ -934,6 +937,7 @@ 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; } -- 2.21.0 -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.
