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ANDROID: dm-default-key: move kzfree() usage to kfree_sensitive()

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kzfree() is about to go away, as it was attempted in 5.9-rc1, but will
really happen in 5.10-rc1.  So move the dm-default-key.c file to use
kfree_sensitive() as it should be using.

Bug: 137270441
Bug: 147814592
Cc: Eric Biggers <ebiggers@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Idc1c004eabbda7e4854866f6c9cf71bd61f9b1df
This commit is contained in:
Greg Kroah-Hartman 2020-10-26 12:37:42 +01:00
parent af2e7ea59c
commit 92f919a5c6
1 changed files with 2 additions and 2 deletions
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4
drivers/md/dm-default-key.c
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@ -76,8 +76,8 @@ static void default_key_dtr(struct dm_target *ti)
DMWARN("Failed to evict crypto key: %d", err);
dm_put_device(ti, dkc->dev);
}
kzfree(dkc->cipher_string);
kzfree(dkc);
kfree_sensitive(dkc->cipher_string);
kfree_sensitive(dkc);
}
static int default_key_ctr_optional(struct dm_target *ti,