diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2022-05-20 12:46:59 -0700 |
|---|---|---|
| committer | Marc Kleine-Budde <mkl@pengutronix.de> | 2022-05-23 22:00:05 +0200 |
| commit | 3e88445a3a5afc65929c578fe2ffc03420588993 (patch) | |
| tree | da9fae263ad2c89b8e8e9ab91737294c973d43e9 | |
| parent | a682d18433005f9609be95c46924ddca827122de (diff) | |
| download | linux-3e88445a3a5afc65929c578fe2ffc03420588993.tar.bz2 | |
can: kvaser_usb: silence a GCC 12 -Warray-bounds warning
This driver does a lot of casting of smaller buffers to
struct kvaser_cmd_ext, GCC 12 does not like that:
| drivers/net/can/usb/kvaser_usb/kvaser_usb_hydra.c:489:65: warning: array subscript ‘struct kvaser_cmd_ext[0]’ is partly outside array bounds of ‘unsigned char[32]’ [-Warray-bounds]
| drivers/net/can/usb/kvaser_usb/kvaser_usb_hydra.c:489:23: note: in expansion of macro ‘le16_to_cpu’
| 489 | ret = le16_to_cpu(((struct kvaser_cmd_ext *)cmd)->len);
| | ^~~~~~~~~~~
Temporarily silence this warning (move it to W=1 builds).
Link: https://lore.kernel.org/all/20220520194659.2356903-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Tested-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
| -rw-r--r-- | drivers/net/can/usb/kvaser_usb/Makefile | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/can/usb/kvaser_usb/Makefile b/drivers/net/can/usb/kvaser_usb/Makefile index cf260044f0b9..b20d951a0790 100644 --- a/drivers/net/can/usb/kvaser_usb/Makefile +++ b/drivers/net/can/usb/kvaser_usb/Makefile @@ -1,3 +1,8 @@ # SPDX-License-Identifier: GPL-2.0-only obj-$(CONFIG_CAN_KVASER_USB) += kvaser_usb.o kvaser_usb-y = kvaser_usb_core.o kvaser_usb_leaf.o kvaser_usb_hydra.o + +# FIXME: temporarily silence -Warray-bounds on non W=1+ builds +ifndef KBUILD_EXTRA_WARN +CFLAGS_kvaser_usb_hydra.o += -Wno-array-bounds +endif |