https://github.com/torvalds/linux
Revision 53032dafc6b93ac178ca2340ff8eb4ee2b3d1a92 authored by Paul Walmsley on 25 April 2009, 11:28:36 UTC, committed by Liam Girdwood on 28 April 2009, 17:58:07 UTC
During regulator registration, any error after device_register() will cause a double-free on the struct regulator_dev 'rdev'. The bug is in drivers/regulator/core.c:regulator_register(): ... scrub: device_unregister(&rdev->dev); clean: kfree(rdev); <--- rdev = ERR_PTR(ret); goto out; ... device_unregister() calls regulator_dev_release() which frees rdev. The subsequent kfree corrupts memory and causes some OMAP3 systems to oops on boot in regulator_get(). Applies against 2.6.30-rc3. Signed-off-by: Paul Walmsley <paul@pwsan.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
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Tip revision: 53032dafc6b93ac178ca2340ff8eb4ee2b3d1a92 authored by Paul Walmsley on 25 April 2009, 11:28:36 UTC
regulator core: fix double-free in regulator_register() error path
regulator core: fix double-free in regulator_register() error path
Tip revision: 53032da
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| kernel | ||
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