diff options
| author | Minchan Kim <[email protected]> | 2017-10-03 16:15:19 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2017-10-03 17:54:24 -0700 |
| commit | ae94264ed4b0cf7cd887947650db4c69acb62072 (patch) | |
| tree | 5e291f4bf79421a4a5b46122b31841844a67a98d /tools/perf/scripts/python/call-graph-from-sql.py | |
| parent | a872eb2131e91ce7c89a8888974a5e22a272b12f (diff) | |
zram: fix null dereference of handle
In testing I found handle passed to zs_map_object in __zram_bvec_read is
NULL so eh kernel goes oops in pin_object().
The reason is there is no routine to check the slot's freeing after
getting the slot's lock. This patch fixes it.
[[email protected]: v2]
Link: http://lkml.kernel.org/r/[email protected]
Link: http://lkml.kernel.org/r/[email protected]
Fixes: 1f7319c74275 ("zram: partial IO refactoring")
Signed-off-by: Minchan Kim <[email protected]>
Reviewed-by: Sergey Senozhatsky <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-sql.py')
0 files changed, 0 insertions, 0 deletions