linux-kernel - Re: next-20171103 build: 3 failures 22 warnings (next-20171103)

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Date:   Fri, 3 Nov 2017 15:44:53 +0100
From:   Arnd Bergmann <arnd@...db.de>
To:     Build bot for Mark Brown <broonie@...nel.org>
Cc:     Kernel Build Reports Mailman List 
        <kernel-build-reports@...ts.linaro.org>,
        linaro-kernel@...ts.linaro.org,
        Linux-Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Andi Kleen <andi@...stfloor.org>,
        Masami Hiramatsu <mhiramat@...nel.org>
Subject: Re: next-20171103 build: 3 failures 22 warnings (next-20171103)

On Fri, Nov 3, 2017 at 1:44 PM, Build bot for Mark Brown
<broonie@...nel.org> wrote:
>
> Errors summary: 4
>           2 ../include/linux/kernel.h:931:18: error: invalid type argument of unary '*' (have 'int')
>           2 ../include/linux/kernel.h:930:32: error: invalid type argument of unary '*' (have 'int')
>           1 ../lib/bug.c:213:32: error: 'module_bug_list' undeclared (first use in this function)
>           1 ../include/linux/rculist.h:352:49: error: dereferencing pointer to incomplete type 'struct module'

Just sent a patch

> Warnings Summary: 22
>           2 ../net/sctp/probe.c:240:2: warning: 'unregister_jprobe' is deprecated [-Wdeprecated-declarations]
>           2 ../net/sctp/probe.c:194:3: warning: 'register_jprobe' is deprecated [-Wdeprecated-declarations]
>           2 ../net/sctp/probe.c:189:2: warning: 'register_jprobe' is deprecated [-Wdeprecated-declarations]
>           2 ../net/ipv4/tcp_probe.c:298:2: warning: 'unregister_jprobe' is deprecated [-Wdeprecated-declarations]
>           2 ../net/ipv4/tcp_probe.c:280:2: warning: 'register_jprobe' is deprecated [-Wdeprecated-declarations]
>           2 ../net/dccp/probe.c:190:2: warning: 'unregister_jprobe' is deprecated [-Wdeprecated-declarations]
>           2 ../net/dccp/probe.c:170:4: warning: 'register_jprobe' is deprecated [-Wdeprecated-declarations]
>           2 ../net/dccp/probe.c:166:2: warning: 'register_jprobe' is deprecated [-Wdeprecated-declarations]
>           1 ../arch/arm/probes/kprobes/test-core.c:398:2: warning: 'unregister_jprobe' is deprecated [-Wdeprecated-declarations]
>           1 ../arch/arm/probes/kprobes/test-core.c:390:2: warning: 'register_jprobe' is deprecated [-Wdeprecated-declarations]

I need a little help from Masami Hiramatsu to understand what the plan is here:
Do we just need to remove those files now that jprobes are gone, or do
we actually
want to restore the functionality using some other replacement code?

I'm asking because the __deprecated warning seems unhelpful if there
isn't an easy
way to address the warning.

>           2 ../drivers/staging/rtlwifi/base.c:2167:23: warning: unused variable 'hw' [-Wunused-variable]
>           2 ../drivers/staging/rtl8723bs/hal/hal_btcoex.c:1415:5: warning: unused variable 'ret2' [-Wunused-variable]
>           2 ../drivers/staging/rtl8723bs/hal/hal_btcoex.c:1414:5: warning: unused variable 'ret1' [-Wunused-variable]
>           2 ../drivers/soc/qcom/rmtfs_mem.c:211:1: warning: label 'remove_cdev' defined but not used [-Wunused-label]
>           2 ../drivers/pinctrl/mvebu/pinctrl-armada-37xx.c:693:20: warning: unused variable 'chip' [-Wunused-variable]

Mostly unrelated issues all have existing patches.

>           2 ../drivers/gpu/drm/vc4/vc4_bo.c:95:17: warning: format '%d' expects argument of type 'int', but argument 4 has type 'size_t {aka long unsigned int}' [-Wformat=]
>           2 ../drivers/gpu/drm/vc4/vc4_bo.c:91:17: warning: format '%d' expects argument of type 'int', but argument 4 has type 'size_t {aka long unsigned int}' [-Wformat=]
>           1 ../drivers/usb/mtu3/mtu3_qmu.c:300:25: warning: format '%p' expects argument of type 'void *', but argument 7 has type 'dma_addr_t {aka unsigned int}' [-Wformat=]
>           1 ../drivers/usb/mtu3/mtu3_qmu.c:300:25: warning: format '%p' expects argument of type 'void *', but argument 7 has type 'dma_addr_t {aka long long unsigned int}' [-Wformat=]
>           1 ../drivers/usb/mtu3/mtu3_qmu.c:261:25: warning: format '%p' expects argument of type 'void *', but argument 7 has type 'dma_addr_t {aka unsigned int}' [-Wformat=]
>           1 ../drivers/usb/mtu3/mtu3_qmu.c:261:25: warning: format '%p' expects argument of type 'void *', but argument 7 has type 'dma_addr_t {aka long long unsigned int}' [-Wformat=]

Sent a patch for these too

>           1 ../drivers/net/ethernet/freescale/dpaa/dpaa_eth.c:1780:4: warning: 'skb' may be used uninitialized in this function [-Wmaybe-uninitialized]

This came through arm-soc, I also have a patch for it, which should go through
netdev, though that leaves arm-soc showing that warning.

      Arnd