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From: kernel test robot <lkp@intel.com>
To: Jeya R <jeyr@codeaurora.org>,
	linux-arm-msm@vger.kernel.org, srinivas.kandagatla@linaro.org
Cc: kbuild-all@lists.01.org, Jeya R <jeyr@codeaurora.org>,
	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org,
	fastrpc.upstream@qti.qualcomm.com, bkumar@qti.qualcomm.com,
	ekangupt@qti.qualcomm.com, jeyr@qti.qualcomm.com
Subject: Re: [PATCH 2/2] misc: fastrpc: Add dma handle implementation
Date: Wed, 1 Dec 2021 06:44:16 +0800	[thread overview]
Message-ID: <202112010626.i5LYELFF-lkp@intel.com> (raw)
In-Reply-To: <1638277072-6459-4-git-send-email-jeyr@codeaurora.org>

Hi Jeya,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on char-misc/char-misc-testing]
[also build test ERROR on v5.16-rc3 next-20211130]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Jeya-R/misc-fastrpc-Add-fdlist-implementation/20211130-215833
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git 5d331b5922551637c586cdf5fdc1778910fc937f
config: x86_64-buildonly-randconfig-r004-20211130 (https://download.01.org/0day-ci/archive/20211201/202112010626.i5LYELFF-lkp@intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/0day-ci/linux/commit/b29c5611eb2bd23a416730b8067a107bcc8594a7
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Jeya-R/misc-fastrpc-Add-fdlist-implementation/20211130-215833
        git checkout b29c5611eb2bd23a416730b8067a107bcc8594a7
        # save the config file to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/misc/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   drivers/misc/fastrpc.c: In function 'fastrpc_get_meta_size':
   drivers/misc/fastrpc.c:721:24: error: 'fastrpc_remote_arg' defined as wrong kind of tag
     721 |  size = (sizeof(struct fastrpc_remote_arg) +
         |                        ^~~~~~~~~~~~~~~~~~
   drivers/misc/fastrpc.c:721:17: error: invalid application of 'sizeof' to incomplete type 'struct fastrpc_remote_arg'
     721 |  size = (sizeof(struct fastrpc_remote_arg) +
         |                 ^~~~~~
   drivers/misc/fastrpc.c: In function 'fastrpc_put_args':
   drivers/misc/fastrpc.c:925:9: error: 'fastrpc_remote_arg' defined as wrong kind of tag
     925 |  struct fastrpc_remote_arg *rpra = ctx->rpra;
         |         ^~~~~~~~~~~~~~~~~~
   drivers/misc/fastrpc.c:925:36: error: initialization of 'struct fastrpc_remote_arg *' from incompatible pointer type 'union fastrpc_remote_arg *' [-Werror=incompatible-pointer-types]
     925 |  struct fastrpc_remote_arg *rpra = ctx->rpra;
         |                                    ^~~
>> drivers/misc/fastrpc.c:935:49: error: dereferencing pointer to incomplete type 'struct fastrpc_remote_arg'
     935 |  list = ctx->buf->virt + ctx->nscalars * sizeof(*rpra);
         |                                                 ^~~~~
   drivers/misc/fastrpc.c:942:39: error: invalid use of undefined type 'struct fastrpc_remote_arg'
     942 |    void *src = (void *)(uintptr_t)rpra[i].pv;
         |                                       ^
   drivers/misc/fastrpc.c:944:18: error: invalid use of undefined type 'struct fastrpc_remote_arg'
     944 |    u64 len = rpra[i].len;
         |                  ^
   drivers/misc/fastrpc.c:958:25: error: 'fl' undeclared (first use in this function); did you mean 'fd'?
     958 |   if (!fastrpc_map_find(fl, (int)fdlist[i], &mmap))
         |                         ^~
         |                         fd
   drivers/misc/fastrpc.c:958:25: note: each undeclared identifier is reported only once for each function it appears in
   At top level:
   drivers/misc/fastrpc.c:717:12: warning: 'fastrpc_get_meta_size' defined but not used [-Wunused-function]
     717 | static int fastrpc_get_meta_size(struct fastrpc_invoke_ctx *ctx)
         |            ^~~~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors


vim +935 drivers/misc/fastrpc.c

c68cfb718c8f97 Srinivas Kandagatla 2019-02-08  921  
c68cfb718c8f97 Srinivas Kandagatla 2019-02-08  922  static int fastrpc_put_args(struct fastrpc_invoke_ctx *ctx,
c68cfb718c8f97 Srinivas Kandagatla 2019-02-08  923  			    u32 kernel)
c68cfb718c8f97 Srinivas Kandagatla 2019-02-08  924  {
c68cfb718c8f97 Srinivas Kandagatla 2019-02-08  925  	struct fastrpc_remote_arg *rpra = ctx->rpra;
d9eaed76074c94 Jeya R              2021-11-30  926  	struct fastrpc_map *mmap = NULL;
d9eaed76074c94 Jeya R              2021-11-30  927  	struct fastrpc_invoke_buf *list;
d9eaed76074c94 Jeya R              2021-11-30  928  	struct fastrpc_phy_page *pages;
d9eaed76074c94 Jeya R              2021-11-30  929  	u64 *fdlist;
d9eaed76074c94 Jeya R              2021-11-30  930  	int i, inbufs, outbufs, handles;
c68cfb718c8f97 Srinivas Kandagatla 2019-02-08  931  
c68cfb718c8f97 Srinivas Kandagatla 2019-02-08  932  	inbufs = REMOTE_SCALARS_INBUFS(ctx->sc);
d9eaed76074c94 Jeya R              2021-11-30  933  	outbufs = REMOTE_SCALARS_OUTBUFS(ctx->sc);
d9eaed76074c94 Jeya R              2021-11-30  934  	handles = REMOTE_SCALARS_INHANDLES(ctx->sc) + REMOTE_SCALARS_OUTHANDLES(ctx->sc);
d9eaed76074c94 Jeya R              2021-11-30 @935  	list = ctx->buf->virt + ctx->nscalars * sizeof(*rpra);
d9eaed76074c94 Jeya R              2021-11-30  936  	pages = ctx->buf->virt + ctx->nscalars * (sizeof(*list) +
d9eaed76074c94 Jeya R              2021-11-30  937  		sizeof(*rpra));
d9eaed76074c94 Jeya R              2021-11-30  938  	fdlist = (uint64_t *)(pages + inbufs + outbufs + handles);
c68cfb718c8f97 Srinivas Kandagatla 2019-02-08  939  
c68cfb718c8f97 Srinivas Kandagatla 2019-02-08  940  	for (i = inbufs; i < ctx->nbufs; ++i) {
847afd7bd5607c Jeya R              2021-09-23  941  		if (!ctx->maps[i]) {
c68cfb718c8f97 Srinivas Kandagatla 2019-02-08  942  			void *src = (void *)(uintptr_t)rpra[i].pv;
c68cfb718c8f97 Srinivas Kandagatla 2019-02-08  943  			void *dst = (void *)(uintptr_t)ctx->args[i].ptr;
c68cfb718c8f97 Srinivas Kandagatla 2019-02-08  944  			u64 len = rpra[i].len;
c68cfb718c8f97 Srinivas Kandagatla 2019-02-08  945  
c68cfb718c8f97 Srinivas Kandagatla 2019-02-08  946  			if (!kernel) {
c68cfb718c8f97 Srinivas Kandagatla 2019-02-08  947  				if (copy_to_user((void __user *)dst, src, len))
c68cfb718c8f97 Srinivas Kandagatla 2019-02-08  948  					return -EFAULT;
c68cfb718c8f97 Srinivas Kandagatla 2019-02-08  949  			} else {
c68cfb718c8f97 Srinivas Kandagatla 2019-02-08  950  				memcpy(dst, src, len);
c68cfb718c8f97 Srinivas Kandagatla 2019-02-08  951  			}
c68cfb718c8f97 Srinivas Kandagatla 2019-02-08  952  		}
847afd7bd5607c Jeya R              2021-09-23  953  	}
c68cfb718c8f97 Srinivas Kandagatla 2019-02-08  954  
d9eaed76074c94 Jeya R              2021-11-30  955  	for (i = 0; i < FASTRPC_MAX_FDLIST; i++) {
d9eaed76074c94 Jeya R              2021-11-30  956  		if (!fdlist[i])
d9eaed76074c94 Jeya R              2021-11-30  957  			break;
d9eaed76074c94 Jeya R              2021-11-30  958  		if (!fastrpc_map_find(fl, (int)fdlist[i], &mmap))
d9eaed76074c94 Jeya R              2021-11-30  959  			fastrpc_map_put(mmap);
d9eaed76074c94 Jeya R              2021-11-30  960  	}
d9eaed76074c94 Jeya R              2021-11-30  961  
c68cfb718c8f97 Srinivas Kandagatla 2019-02-08  962  	return 0;
c68cfb718c8f97 Srinivas Kandagatla 2019-02-08  963  }
c68cfb718c8f97 Srinivas Kandagatla 2019-02-08  964  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

  reply	other threads:[~2021-11-30 22:44 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-30 12:57 [PATCH 0/3] Add vmid property and mapping attribute Jeya R
2021-11-30 12:57 ` [PATCH 1/3] dt-bindings: misc: add fastrpc domain vmid property Jeya R
2021-11-30 13:17   ` Srinivas Kandagatla
2021-11-30 12:57 ` [PATCH 1/2] misc: fastrpc: Add fdlist implementation Jeya R
2021-11-30 20:20   ` kernel test robot
2021-11-30 23:52   ` kernel test robot
2021-11-30 12:57 ` [PATCH 2/2] misc: fastrpc: Add dma handle implementation Jeya R
2021-11-30 22:44   ` kernel test robot [this message]
2021-12-01  0:22   ` kernel test robot
2021-11-30 12:57 ` [PATCH 2/3] misc: fastrpc: Read virtual machine IDs during probe Jeya R
2021-11-30 12:57 ` [PATCH 3/3] misc: fastrpc: Handle mapping of invoke argument with attribute Jeya R
2021-11-30 18:18   ` kernel test robot
     [not found] <1638276897-6146-1-git-send-email-jeyr@codeaurora.org>
2021-11-30 12:54 ` [PATCH 2/2] misc: fastrpc: Add dma handle implementation Jeya R
  -- strict thread matches above, loose matches on Subject: below --
2021-11-29  5:28 [PATCH 0/2] Add DMA " Jeya R
2021-11-29  5:28 ` [PATCH 2/2] misc: fastrpc: Add dma " Jeya R
2021-11-29  8:00   ` kernel test robot
2021-11-29  9:21   ` kernel test robot

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