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EDAC/sysfs: Remove csrow objects on errors

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commit 4d59588c09f2a2daedad2a544d4d1b602ab3a8af upstream.

All created csrow objects must be removed in the error path of
edac_create_csrow_objects(). The objects have been added as devices.

They need to be removed by doing a device_del() *and* put_device() call
to also free their memory. The missing put_device() leaves a memory
leak. Use device_unregister() instead of device_del() which properly
unregisters the device doing both.

Fixes: 7adc05d2dc ("EDAC/sysfs: Drop device references properly")
Signed-off-by: Robert Richter <[email protected]>
Signed-off-by: Borislav Petkov <[email protected]>
Tested-by: John Garry <[email protected]>
Cc: <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Robert Richter 2020-02-12 13:03:39 +01:00 • committed by Greg Kroah-Hartman
commit b2e977a973
1 changed files with 1 additions and 2 deletions
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3
drivers/edac/edac_mc_sysfs.c
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@ -447,8 +447,7 @@ error:
csrow = mci->csrows[i];
if (!nr_pages_per_csrow(csrow))
continue;
device_del(&mci->csrows[i]->dev);
device_unregister(&mci->csrows[i]->dev);
}
return err;