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| author |   Eric Dumazet <dada1@cosmosbay.com> | 2008-12-09 13:14:11 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2008-12-10 08:01:52 -0800 |
| commit | fd3d664fef97cf01f8e28fe0b024ad52f3bbc1bc (patch) | |
| tree | cc1b4d38e5ebd88c25b2bcee684c9e882be9a2ac /include/linux/percpu_counter.h | |
| parent | rtc: fix missing id_table in rtc-ds1672 and rtc-max6900 drivers (diff) | |
| download | linux-dev-fd3d664fef97cf01f8e28fe0b024ad52f3bbc1bc.tar.xz linux-dev-fd3d664fef97cf01f8e28fe0b024ad52f3bbc1bc.zip | |
percpu_counter: fix CPU unplug race in percpu_counter_destroy()
We should first delete the counter from percpu_counters list
before freeing memory, or a percpu_counter_hotcpu_callback()
could dereference a NULL pointer.
Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Acked-by: David S. Miller <davem@davemloft.net>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mingming Cao <cmm@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/percpu_counter.h')
0 files changed, 0 insertions, 0 deletions