Commit ca2b746d authored by Minjie Du's avatar Minjie Du Committed by Michael Ellerman
Browse files

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



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

Signed-off-by: default avatarMinjie Du <duminjie@vivo.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230717092648.9752-1-duminjie@vivo.com
parent 74726fda

arch/powerpc/platforms/pseries/plpks.c

+2 −2
Original line number Diff line number Diff line
@@ -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);

}