linux-kernel - Re: [PATCH] mpi3mr: fix printk() format strings

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Date: Mon, 18 Dec 2023 21:18:45 -0500
From: "Martin K. Petersen" <martin.petersen@...cle.com>
To: Sathya Prakash Veerichetty <sathya.prakash@...adcom.com>,
        Kashyap Desai <kashyap.desai@...adcom.com>,
        Sumit Saxena <sumit.saxena@...adcom.com>,
        Sreekanth Reddy <sreekanth.reddy@...adcom.com>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        Chandrakanth patil <chandrakanth.patil@...adcom.com>,
        Arnd Bergmann <arnd@...nel.org>
Cc: "Martin K . Petersen" <martin.petersen@...cle.com>,
        Arnd Bergmann <arnd@...db.de>,
        Ranjan Kumar <ranjan.kumar@...adcom.com>,
        Shin'ichiro Kawasaki <shinichiro.kawasaki@....com>,
        mpi3mr-linuxdrv.pdl@...adcom.com, linux-scsi@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mpi3mr: fix printk() format strings

On Thu, 07 Dec 2023 15:28:06 +0100, Arnd Bergmann wrote:

> The newly introduced error messages get multiple format strings wrong: size_t must
> be printed using the %z modifier rather than %l and dma_addr_t must be printed
> by reference using the special %pad pointer type:
> 
> drivers/scsi/mpi3mr/mpi3mr_app.c: In function 'mpi3mr_build_nvme_prp':
> include/linux/kern_levels.h:5:25: error: format '%llx' expects argument of type 'long long unsigned int', but argument 4 has type 'dma_addr_t' {aka 'unsigned int'} [-Werror=format=]
> drivers/scsi/mpi3mr/mpi3mr_app.c:949:25: note: in expansion of macro 'dprint_bsg_err'
>   949 |                         dprint_bsg_err(mrioc,
>       |                         ^~~~~~~~~~~~~~
> include/linux/kern_levels.h:5:25: error: format '%ld' expects argument of type 'long int', but argument 4 has type 'size_t' {aka 'unsigned int'} [-Werror=format=]
> drivers/scsi/mpi3mr/mpi3mr_app.c:1112:41: note: in expansion of macro 'dprint_bsg_err'
>  1112 |                                         dprint_bsg_err(mrioc,
>       |                                         ^~~~~~~~~~~~~~
> 
> [...]

Applied to 6.8/scsi-queue, thanks!

[1/1] mpi3mr: fix printk() format strings
      https://git.kernel.org/mkp/scsi/c/fc1fbd13a205

-- 
Martin K. Petersen	Oracle Linux Engineering