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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2021-01-05 16:19:14 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-01-05 17:27:22 +0300 |
| commit | 27f7fcaeca02181af096d07d00233b9674e5b28f (patch) | |
| tree | 7514a526603e68bc251aeab809926cb0301f4575 /drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c | |
| parent | 6500966d211c4a265600b4561d9c479088fce0a1 (diff) | |
| download | linux-27f7fcaeca02181af096d07d00233b9674e5b28f.tar.xz | |
staging: vchiq: delete obselete comment
This comment describes a security problem which was fixed in commit
1c954540c0eb ("staging: vchiq: avoid mixing kernel and user pointers").
The bug is fixed now so the FIXME can be removed.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/X/RnUjY3XkZohk7w@mwanda
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c')
| -rw-r--r-- | drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c | 7 |
1 files changed, 0 insertions, 7 deletions
diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c index f500a7043805..54770a9b4735 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c @@ -999,13 +999,6 @@ static int vchiq_irq_queue_bulk_tx_rx(struct vchiq_instance *instance, userdata = &waiter->bulk_waiter; } - /* - * FIXME address space mismatch: - * args->data may be interpreted as a kernel pointer - * in create_pagelist() called from vchiq_bulk_transfer(), - * accessing kernel data instead of user space, based on the - * address. - */ status = vchiq_bulk_transfer(args->handle, NULL, args->data, args->size, userdata, args->mode, dir); |