diff options
| author | Christoph Lameter <[email protected]> | 2019-01-08 15:23:00 -0800 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2019-01-08 17:15:11 -0800 |
| commit | 09c2e76ed734a1d36470d257a778aaba28e86531 (patch) | |
| tree | 2f951b3f6daa70b8c3f2c6371b5c2c62d6bd6455 /net/lapb/lapb_timer.c | |
| parent | ba4a45746c362b665e245c50b870615f02f34781 (diff) | |
slab: alien caches must not be initialized if the allocation of the alien cache failed
Callers of __alloc_alien() check for NULL. We must do the same check in
__alloc_alien_cache to avoid NULL pointer dereferences on allocation
failures.
Link: http://lkml.kernel.org/r/010001680f42f192-82b4e12e-1565-4ee0-ae1f-1e98974906aa-000000@email.amazonses.com
Fixes: 49dfc304ba241 ("slab: use the lock on alien_cache, instead of the lock on array_cache")
Fixes: c8522a3a5832b ("Slab: introduce alloc_alien")
Signed-off-by: Christoph Lameter <[email protected]>
Reported-by: [email protected]
Reviewed-by: Andrew Morton <[email protected]>
Cc: Pekka Enberg <[email protected]>
Cc: David Rientjes <[email protected]>
Cc: Joonsoo Kim <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'net/lapb/lapb_timer.c')
0 files changed, 0 insertions, 0 deletions