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powerpc/pseries: use kfree_sensitive() in plpks_gen_password()

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password might contain private information, so better use
kfree_sensitive to free it.
In plpks_gen_password() use kfree_sensitive().

Signed-off-by: Minjie Du <duminjie@vivo.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230717092648.9752-1-duminjie@vivo.com
This commit is contained in:
Minjie Du
2023-07-17 17:26:48 +08:00
committed by Michael Ellerman
parent 74726fda9f
commit ca2b746d5f
1 changed files with 2 additions and 2 deletions
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4
arch/powerpc/platforms/pseries/plpks.c
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@@ -150,7 +150,7 @@ static int plpks_gen_password(void)
ospasswordlength = maxpwsize;
ospassword = kzalloc(maxpwsize, GFP_KERNEL);
if (!ospassword) {
kfree(password);
kfree_sensitive(password);
return -ENOMEM;
}
memcpy(ospassword, password, ospasswordlength);
@@ -163,7 +163,7 @@ static int plpks_gen_password(void)
}
}
out:
kfree(password);
kfree_sensitive(password);
return pseries_status_to_err(rc);
}