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block/keyslot-manager: use kvfree_sensitive()

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Make blk_ksm_destroy() use the kvfree_sensitive() function (which was
introduced in v5.8-rc1) instead of open-coding it.

Signed-off-by: Eric Biggers <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Eric Biggers authored and Jens Axboe committed 2020-06-29 13:24:05 -06:00
1 parent bfe373f608
commit 3e20aa9630
1 file changed
+1 -2
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block/keyslot-manager.c
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@@ -374,8 +374,7 @@ void blk_ksm_destroy(struct blk_keyslot_manager *ksm)
if (!ksm)
return;
kvfree(ksm->slot_hashtable);
memzero_explicit(ksm->slots, sizeof(ksm->slots[0]) * ksm->num_slots);
kvfree(ksm->slots);
kvfree_sensitive(ksm->slots, sizeof(ksm->slots[0]) * ksm->num_slots);
memzero_explicit(ksm, sizeof(*ksm));
}
EXPORT_SYMBOL_GPL(blk_ksm_destroy);