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authorShaohua Li <shli@fb.com>2016-09-08 10:43:58 -0700
committerShaohua Li <shli@fb.com>2016-09-09 11:09:19 -0700
commitc94455558337eece474eebb6a16b905f98930418 (patch)
tree7e3120b034308cb83e83e6f93f40745f206848cf /Documentation/devicetree
parent47a7b0d8888c04c9746812820b6e60553cc77bbc (diff)
raid5: fix a small race condition
commit 5f9d1fde7d54a5(raid5: fix memory leak of bio integrity data) moves bio_reset to bio_endio. But it introduces a small race condition. It does bio_reset after raid5_release_stripe, which could make the stripe reusable and hence reuse the bio just before bio_reset. Moving bio_reset before raid5_release_stripe is called should fix the race. Reported-and-tested-by: Stefan Priebe - Profihost AG <s.priebe@profihost.ag> Signed-off-by: Shaohua Li <shli@fb.com>
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