Re: linux-next: build warnings after merge of the scsi-mkp tree

From: Stephen Rothwell
Date: Thu Jun 29 2017 - 01:08:07 EST


Hi James,

This has now migrated to the scsi tree.

On Wed, 28 Jun 2017 15:55:10 +1000 Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
>
> After merging the scsi-mkp tree, today's linux-next build
> (powerpc_ppc64_defconfig) produced these warnings:
>
> In file included from include/linux/byteorder/big_endian.h:4:0,
> from arch/powerpc/include/uapi/asm/byteorder.h:13,
> from include/asm-generic/bitops/le.h:5,
> from arch/powerpc/include/asm/bitops.h:246,
> from include/linux/bitops.h:36,
> from include/linux/kernel.h:10,
> from include/asm-generic/bug.h:15,
> from arch/powerpc/include/asm/bug.h:127,
> from include/linux/bug.h:4,
> from arch/powerpc/include/asm/mmu.h:125,
> from arch/powerpc/include/asm/lppaca.h:36,
> from arch/powerpc/include/asm/paca.h:21,
> from arch/powerpc/include/asm/current.h:16,
> from include/linux/sched.h:11,
> from include/linux/blkdev.h:4,
> from include/linux/blk-mq.h:4,
> from drivers/scsi/qla2xxx/qla_nvme.h:10,
> from drivers/scsi/qla2xxx/qla_nvme.c:7:
> drivers/scsi/qla2xxx/qla_nvme.c: In function 'qla2x00_start_nvme_mq':
> include/uapi/linux/byteorder/big_endian.h:32:26: warning: large integer implicitly truncated to unsigned type [-Woverflow]
> #define __cpu_to_le32(x) ((__force __le32)__swab32((x)))
> ^
> include/linux/byteorder/generic.h:87:21: note: in expansion of macro '__cpu_to_le32'
> #define cpu_to_le32 __cpu_to_le32
> ^
> drivers/scsi/qla2xxx/qla_nvme.c:444:27: note: in expansion of macro 'cpu_to_le32'
> cont_pkt->entry_type = cpu_to_le32(CONTINUE_A64_TYPE);
> ^
> drivers/scsi/qla2xxx/qla_nvme.c: At top level:
> drivers/scsi/qla2xxx/qla_nvme.c:667:13: warning: 'qla_nvme_unregister_remote_port' defined but not used [-Wunused-function]
> static void qla_nvme_unregister_remote_port(struct work_struct *work)
> ^
> drivers/scsi/qla2xxx/qla_nvme.c:604:12: warning: 'qla_nvme_wait_on_rport_del' defined but not used [-Wunused-function]
> static int qla_nvme_wait_on_rport_del(fc_port_t *fcport)
> ^
> drivers/scsi/qla2xxx/qla_nvme.c:634:13: warning: 'qla_nvme_abort_all' defined but not used [-Wunused-function]
> static void qla_nvme_abort_all(fc_port_t *fcport)
> ^
>
> Introduced by commit
>
> e84067d74301 ("scsi: qla2xxx: Add FC-NVMe F/W initialization and transport registration")

--
Cheers,
Stephen Rothwell