linux-kernel - Re: linux-next: build failure after merge of the rdma tree

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Message-ID: <20200226172525.GU26318@mellanox.com>
Date:   Wed, 26 Feb 2020 13:25:25 -0400
From:   Jason Gunthorpe <jgg@...lanox.com>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Doug Ledford <dledford@...hat.com>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Devesh Sharma <devesh.sharma@...adcom.com>,
        Naresh Kumar PBS <nareshkumar.pbs@...adcom.com>,
        Selvin Xavier <selvin.xavier@...adcom.com>
Subject: Re: linux-next: build failure after merge of the rdma tree

On Wed, Feb 26, 2020 at 01:51:27PM +1100, Stephen Rothwell wrote:
> Hi all,
> 
> After merging the rdma tree, today's linux-next build (powerpc
> allyesconfig) failed like this:
> 
> drivers/infiniband/hw/bnxt_re/qplib_res.c: In function '__free_pbl':
> drivers/infiniband/hw/bnxt_re/qplib_res.c:78:2: error: implicit declaration of function 'vfree'; did you mean 'kfree'? [-Werror=implicit-function-declaration]
>    78 |  vfree(pbl->pg_arr);
>       |  ^~~~~
>       |  kfree
> drivers/infiniband/hw/bnxt_re/qplib_res.c: In function '__alloc_pbl':
> drivers/infiniband/hw/bnxt_re/qplib_res.c:117:16: error: implicit declaration of function 'vmalloc'; did you mean 'kmalloc'? [-Werror=implicit-function-declaration]
>   117 |  pbl->pg_arr = vmalloc(pages * sizeof(void *));
>       |                ^~~~~~~
>       |                kmalloc
> drivers/infiniband/hw/bnxt_re/qplib_res.c:117:14: warning: assignment to 'void **' from 'int' makes pointer from integer without a cast [-Wint-conversion]
>   117 |  pbl->pg_arr = vmalloc(pages * sizeof(void *));
>       |              ^
> drivers/infiniband/hw/bnxt_re/qplib_res.c:121:18: warning: assignment to 'dma_addr_t *' {aka 'long long unsigned int *'} from 'int' makes pointer from integer without a cast [-Wint-conversion]
>   121 |  pbl->pg_map_arr = vmalloc(pages * sizeof(dma_addr_t));
>       |                  ^
> 
> Caused by commit
> 
>   0c4dcd602817 ("RDMA/bnxt_re: Refactor hardware queue memory allocation")
> 
> I added the following fix for today:
> 
> From: Stephen Rothwell <sfr@...b.auug.org.au>
> Date: Wed, 26 Feb 2020 13:46:02 +1100
> Subject: [PATCH] RDMA/bnxt_re: using vmalloc requires including vmalloc.h
> 
> Fixes: 0c4dcd602817 ("RDMA/bnxt_re: Refactor hardware queue memory allocation")
> Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
>  drivers/infiniband/hw/bnxt_re/qplib_res.c | 1 +
>  1 file changed, 1 insertion(+)

Okay applied, thanks

Jason