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Dan Carpenter authored
The "pool" pointer can be NULL at the end of the init_zswap(). (We would allocate a new pool later in that situation) So in the error handling then we need to make sure pool is a valid pointer before calling "zswap_pool_destroy(pool);" because that function dereferences the argument. Link: http://lkml.kernel.org/r/20200114050902.og32fkllkod5ycf5@kili.mountain Fixes: 93d4dfa9fbd0 ("mm/zswap.c: add allocation hysteresis if pool limit is hit") Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Cc: Vitaly Wool <vitaly.wool@konsulko.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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