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* drivers/net/wwan/iosm/iosm_ipc_protocol_ops.c:416:4: warning: cast to pointer from integer of different size
@ 2021-07-23  9:49 ` kernel test robot
  0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2021-07-23  9:49 UTC (permalink / raw)
  To: M Chetan Kumar; +Cc: kbuild-all, linux-kernel

[-- Attachment #1: Type: text/plain, Size: 7614 bytes --]

Hi Chetan,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   8baef6386baaefb776bdd09b5c7630cf057c51c6
commit: f7af616c632ee2ac3af0876fe33bf9e0232e665a net: iosm: infrastructure
date:   6 weeks ago
config: i386-randconfig-m021-20210723 (attached as .config)
compiler: gcc-10 (Ubuntu 10.3.0-1ubuntu1~20.04) 10.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f7af616c632ee2ac3af0876fe33bf9e0232e665a
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout f7af616c632ee2ac3af0876fe33bf9e0232e665a
        # save the attached .config to linux build tree
        make W=1 ARCH=i386 

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

All warnings (new ones prefixed by >>):

   In file included from include/linux/device.h:15,
                    from include/linux/dma-mapping.h:7,
                    from include/linux/skbuff.h:31,
                    from drivers/net/wwan/iosm/iosm_ipc_imem.h:9,
                    from drivers/net/wwan/iosm/iosm_ipc_protocol.h:9,
                    from drivers/net/wwan/iosm/iosm_ipc_protocol_ops.c:6:
   drivers/net/wwan/iosm/iosm_ipc_protocol_ops.c: In function 'ipc_protocol_dl_td_process':
>> drivers/net/wwan/iosm/iosm_ipc_protocol_ops.c:416:4: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
     416 |    (void *)p_td->buffer.address, skb->data);
         |    ^
   include/linux/dev_printk.h:112:32: note: in definition of macro 'dev_err'
     112 |  _dev_err(dev, dev_fmt(fmt), ##__VA_ARGS__)
         |                                ^~~~~~~~~~~


vim +416 drivers/net/wwan/iosm/iosm_ipc_protocol_ops.c

64516f633bfd2f M Chetan Kumar 2021-06-13  370  
64516f633bfd2f M Chetan Kumar 2021-06-13  371  /* Processes DL TD's */
64516f633bfd2f M Chetan Kumar 2021-06-13  372  struct sk_buff *ipc_protocol_dl_td_process(struct iosm_protocol *ipc_protocol,
64516f633bfd2f M Chetan Kumar 2021-06-13  373  					   struct ipc_pipe *pipe)
64516f633bfd2f M Chetan Kumar 2021-06-13  374  {
64516f633bfd2f M Chetan Kumar 2021-06-13  375  	u32 tail =
64516f633bfd2f M Chetan Kumar 2021-06-13  376  		le32_to_cpu(ipc_protocol->p_ap_shm->tail_array[pipe->pipe_nr]);
64516f633bfd2f M Chetan Kumar 2021-06-13  377  	struct ipc_protocol_td *p_td;
64516f633bfd2f M Chetan Kumar 2021-06-13  378  	struct sk_buff *skb;
64516f633bfd2f M Chetan Kumar 2021-06-13  379  
64516f633bfd2f M Chetan Kumar 2021-06-13  380  	if (!pipe->tdr_start)
64516f633bfd2f M Chetan Kumar 2021-06-13  381  		return NULL;
64516f633bfd2f M Chetan Kumar 2021-06-13  382  
64516f633bfd2f M Chetan Kumar 2021-06-13  383  	/* Copy the reference to the downlink buffer. */
64516f633bfd2f M Chetan Kumar 2021-06-13  384  	p_td = &pipe->tdr_start[pipe->old_tail];
64516f633bfd2f M Chetan Kumar 2021-06-13  385  	skb = pipe->skbr_start[pipe->old_tail];
64516f633bfd2f M Chetan Kumar 2021-06-13  386  
64516f633bfd2f M Chetan Kumar 2021-06-13  387  	/* Reset the ring elements. */
64516f633bfd2f M Chetan Kumar 2021-06-13  388  	pipe->skbr_start[pipe->old_tail] = NULL;
64516f633bfd2f M Chetan Kumar 2021-06-13  389  
64516f633bfd2f M Chetan Kumar 2021-06-13  390  	pipe->nr_of_queued_entries--;
64516f633bfd2f M Chetan Kumar 2021-06-13  391  
64516f633bfd2f M Chetan Kumar 2021-06-13  392  	pipe->old_tail++;
64516f633bfd2f M Chetan Kumar 2021-06-13  393  	if (pipe->old_tail >= pipe->nr_of_entries)
64516f633bfd2f M Chetan Kumar 2021-06-13  394  		pipe->old_tail = 0;
64516f633bfd2f M Chetan Kumar 2021-06-13  395  
64516f633bfd2f M Chetan Kumar 2021-06-13  396  	if (!skb) {
64516f633bfd2f M Chetan Kumar 2021-06-13  397  		dev_err(ipc_protocol->dev, "skb is null");
64516f633bfd2f M Chetan Kumar 2021-06-13  398  		goto ret;
64516f633bfd2f M Chetan Kumar 2021-06-13  399  	} else if (!p_td->buffer.address) {
64516f633bfd2f M Chetan Kumar 2021-06-13  400  		dev_err(ipc_protocol->dev, "td/buffer address is null");
64516f633bfd2f M Chetan Kumar 2021-06-13  401  		ipc_pcie_kfree_skb(ipc_protocol->pcie, skb);
64516f633bfd2f M Chetan Kumar 2021-06-13  402  		skb = NULL;
64516f633bfd2f M Chetan Kumar 2021-06-13  403  		goto ret;
64516f633bfd2f M Chetan Kumar 2021-06-13  404  	}
64516f633bfd2f M Chetan Kumar 2021-06-13  405  
64516f633bfd2f M Chetan Kumar 2021-06-13  406  	if (!IPC_CB(skb)) {
64516f633bfd2f M Chetan Kumar 2021-06-13  407  		dev_err(ipc_protocol->dev, "pipe# %d, tail: %d skb_cb is NULL",
64516f633bfd2f M Chetan Kumar 2021-06-13  408  			pipe->pipe_nr, tail);
64516f633bfd2f M Chetan Kumar 2021-06-13  409  		ipc_pcie_kfree_skb(ipc_protocol->pcie, skb);
64516f633bfd2f M Chetan Kumar 2021-06-13  410  		skb = NULL;
64516f633bfd2f M Chetan Kumar 2021-06-13  411  		goto ret;
64516f633bfd2f M Chetan Kumar 2021-06-13  412  	}
64516f633bfd2f M Chetan Kumar 2021-06-13  413  
64516f633bfd2f M Chetan Kumar 2021-06-13  414  	if (p_td->buffer.address != IPC_CB(skb)->mapping) {
64516f633bfd2f M Chetan Kumar 2021-06-13  415  		dev_err(ipc_protocol->dev, "invalid buf=%p or skb=%p",
64516f633bfd2f M Chetan Kumar 2021-06-13 @416  			(void *)p_td->buffer.address, skb->data);
64516f633bfd2f M Chetan Kumar 2021-06-13  417  		ipc_pcie_kfree_skb(ipc_protocol->pcie, skb);
64516f633bfd2f M Chetan Kumar 2021-06-13  418  		skb = NULL;
64516f633bfd2f M Chetan Kumar 2021-06-13  419  		goto ret;
64516f633bfd2f M Chetan Kumar 2021-06-13  420  	} else if ((le32_to_cpu(p_td->scs) & SIZE_MASK) > pipe->buf_size) {
64516f633bfd2f M Chetan Kumar 2021-06-13  421  		dev_err(ipc_protocol->dev, "invalid buffer size %d > %d",
64516f633bfd2f M Chetan Kumar 2021-06-13  422  			le32_to_cpu(p_td->scs) & SIZE_MASK,
64516f633bfd2f M Chetan Kumar 2021-06-13  423  			pipe->buf_size);
64516f633bfd2f M Chetan Kumar 2021-06-13  424  		ipc_pcie_kfree_skb(ipc_protocol->pcie, skb);
64516f633bfd2f M Chetan Kumar 2021-06-13  425  		skb = NULL;
64516f633bfd2f M Chetan Kumar 2021-06-13  426  		goto ret;
64516f633bfd2f M Chetan Kumar 2021-06-13  427  	} else if (le32_to_cpu(p_td->scs) >> COMPLETION_STATUS ==
64516f633bfd2f M Chetan Kumar 2021-06-13  428  		  IPC_MEM_TD_CS_ABORT) {
64516f633bfd2f M Chetan Kumar 2021-06-13  429  		/* Discard aborted buffers. */
64516f633bfd2f M Chetan Kumar 2021-06-13  430  		dev_dbg(ipc_protocol->dev, "discard 'aborted' buffers");
64516f633bfd2f M Chetan Kumar 2021-06-13  431  		ipc_pcie_kfree_skb(ipc_protocol->pcie, skb);
64516f633bfd2f M Chetan Kumar 2021-06-13  432  		skb = NULL;
64516f633bfd2f M Chetan Kumar 2021-06-13  433  		goto ret;
64516f633bfd2f M Chetan Kumar 2021-06-13  434  	}
64516f633bfd2f M Chetan Kumar 2021-06-13  435  
64516f633bfd2f M Chetan Kumar 2021-06-13  436  	/* Set the length field in skbuf. */
64516f633bfd2f M Chetan Kumar 2021-06-13  437  	skb_put(skb, le32_to_cpu(p_td->scs) & SIZE_MASK);
64516f633bfd2f M Chetan Kumar 2021-06-13  438  
64516f633bfd2f M Chetan Kumar 2021-06-13  439  ret:
64516f633bfd2f M Chetan Kumar 2021-06-13  440  	return skb;
64516f633bfd2f M Chetan Kumar 2021-06-13  441  }
64516f633bfd2f M Chetan Kumar 2021-06-13  442  

:::::: The code at line 416 was first introduced by commit
:::::: 64516f633bfd2f576f3a18fe72184595367d11bf net: iosm: protocol operations

:::::: TO: M Chetan Kumar <m.chetan.kumar@intel.com>
:::::: CC: David S. Miller <davem@davemloft.net>

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

[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 41827 bytes --]

^ permalink raw reply	[flat|nested] 2+ messages in thread

* drivers/net/wwan/iosm/iosm_ipc_protocol_ops.c:416:4: warning: cast to pointer from integer of different size
@ 2021-07-23  9:49 ` kernel test robot
  0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2021-07-23  9:49 UTC (permalink / raw)
  To: kbuild-all

[-- Attachment #1: Type: text/plain, Size: 7739 bytes --]

Hi Chetan,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   8baef6386baaefb776bdd09b5c7630cf057c51c6
commit: f7af616c632ee2ac3af0876fe33bf9e0232e665a net: iosm: infrastructure
date:   6 weeks ago
config: i386-randconfig-m021-20210723 (attached as .config)
compiler: gcc-10 (Ubuntu 10.3.0-1ubuntu1~20.04) 10.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f7af616c632ee2ac3af0876fe33bf9e0232e665a
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout f7af616c632ee2ac3af0876fe33bf9e0232e665a
        # save the attached .config to linux build tree
        make W=1 ARCH=i386 

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

All warnings (new ones prefixed by >>):

   In file included from include/linux/device.h:15,
                    from include/linux/dma-mapping.h:7,
                    from include/linux/skbuff.h:31,
                    from drivers/net/wwan/iosm/iosm_ipc_imem.h:9,
                    from drivers/net/wwan/iosm/iosm_ipc_protocol.h:9,
                    from drivers/net/wwan/iosm/iosm_ipc_protocol_ops.c:6:
   drivers/net/wwan/iosm/iosm_ipc_protocol_ops.c: In function 'ipc_protocol_dl_td_process':
>> drivers/net/wwan/iosm/iosm_ipc_protocol_ops.c:416:4: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
     416 |    (void *)p_td->buffer.address, skb->data);
         |    ^
   include/linux/dev_printk.h:112:32: note: in definition of macro 'dev_err'
     112 |  _dev_err(dev, dev_fmt(fmt), ##__VA_ARGS__)
         |                                ^~~~~~~~~~~


vim +416 drivers/net/wwan/iosm/iosm_ipc_protocol_ops.c

64516f633bfd2f M Chetan Kumar 2021-06-13  370  
64516f633bfd2f M Chetan Kumar 2021-06-13  371  /* Processes DL TD's */
64516f633bfd2f M Chetan Kumar 2021-06-13  372  struct sk_buff *ipc_protocol_dl_td_process(struct iosm_protocol *ipc_protocol,
64516f633bfd2f M Chetan Kumar 2021-06-13  373  					   struct ipc_pipe *pipe)
64516f633bfd2f M Chetan Kumar 2021-06-13  374  {
64516f633bfd2f M Chetan Kumar 2021-06-13  375  	u32 tail =
64516f633bfd2f M Chetan Kumar 2021-06-13  376  		le32_to_cpu(ipc_protocol->p_ap_shm->tail_array[pipe->pipe_nr]);
64516f633bfd2f M Chetan Kumar 2021-06-13  377  	struct ipc_protocol_td *p_td;
64516f633bfd2f M Chetan Kumar 2021-06-13  378  	struct sk_buff *skb;
64516f633bfd2f M Chetan Kumar 2021-06-13  379  
64516f633bfd2f M Chetan Kumar 2021-06-13  380  	if (!pipe->tdr_start)
64516f633bfd2f M Chetan Kumar 2021-06-13  381  		return NULL;
64516f633bfd2f M Chetan Kumar 2021-06-13  382  
64516f633bfd2f M Chetan Kumar 2021-06-13  383  	/* Copy the reference to the downlink buffer. */
64516f633bfd2f M Chetan Kumar 2021-06-13  384  	p_td = &pipe->tdr_start[pipe->old_tail];
64516f633bfd2f M Chetan Kumar 2021-06-13  385  	skb = pipe->skbr_start[pipe->old_tail];
64516f633bfd2f M Chetan Kumar 2021-06-13  386  
64516f633bfd2f M Chetan Kumar 2021-06-13  387  	/* Reset the ring elements. */
64516f633bfd2f M Chetan Kumar 2021-06-13  388  	pipe->skbr_start[pipe->old_tail] = NULL;
64516f633bfd2f M Chetan Kumar 2021-06-13  389  
64516f633bfd2f M Chetan Kumar 2021-06-13  390  	pipe->nr_of_queued_entries--;
64516f633bfd2f M Chetan Kumar 2021-06-13  391  
64516f633bfd2f M Chetan Kumar 2021-06-13  392  	pipe->old_tail++;
64516f633bfd2f M Chetan Kumar 2021-06-13  393  	if (pipe->old_tail >= pipe->nr_of_entries)
64516f633bfd2f M Chetan Kumar 2021-06-13  394  		pipe->old_tail = 0;
64516f633bfd2f M Chetan Kumar 2021-06-13  395  
64516f633bfd2f M Chetan Kumar 2021-06-13  396  	if (!skb) {
64516f633bfd2f M Chetan Kumar 2021-06-13  397  		dev_err(ipc_protocol->dev, "skb is null");
64516f633bfd2f M Chetan Kumar 2021-06-13  398  		goto ret;
64516f633bfd2f M Chetan Kumar 2021-06-13  399  	} else if (!p_td->buffer.address) {
64516f633bfd2f M Chetan Kumar 2021-06-13  400  		dev_err(ipc_protocol->dev, "td/buffer address is null");
64516f633bfd2f M Chetan Kumar 2021-06-13  401  		ipc_pcie_kfree_skb(ipc_protocol->pcie, skb);
64516f633bfd2f M Chetan Kumar 2021-06-13  402  		skb = NULL;
64516f633bfd2f M Chetan Kumar 2021-06-13  403  		goto ret;
64516f633bfd2f M Chetan Kumar 2021-06-13  404  	}
64516f633bfd2f M Chetan Kumar 2021-06-13  405  
64516f633bfd2f M Chetan Kumar 2021-06-13  406  	if (!IPC_CB(skb)) {
64516f633bfd2f M Chetan Kumar 2021-06-13  407  		dev_err(ipc_protocol->dev, "pipe# %d, tail: %d skb_cb is NULL",
64516f633bfd2f M Chetan Kumar 2021-06-13  408  			pipe->pipe_nr, tail);
64516f633bfd2f M Chetan Kumar 2021-06-13  409  		ipc_pcie_kfree_skb(ipc_protocol->pcie, skb);
64516f633bfd2f M Chetan Kumar 2021-06-13  410  		skb = NULL;
64516f633bfd2f M Chetan Kumar 2021-06-13  411  		goto ret;
64516f633bfd2f M Chetan Kumar 2021-06-13  412  	}
64516f633bfd2f M Chetan Kumar 2021-06-13  413  
64516f633bfd2f M Chetan Kumar 2021-06-13  414  	if (p_td->buffer.address != IPC_CB(skb)->mapping) {
64516f633bfd2f M Chetan Kumar 2021-06-13  415  		dev_err(ipc_protocol->dev, "invalid buf=%p or skb=%p",
64516f633bfd2f M Chetan Kumar 2021-06-13 @416  			(void *)p_td->buffer.address, skb->data);
64516f633bfd2f M Chetan Kumar 2021-06-13  417  		ipc_pcie_kfree_skb(ipc_protocol->pcie, skb);
64516f633bfd2f M Chetan Kumar 2021-06-13  418  		skb = NULL;
64516f633bfd2f M Chetan Kumar 2021-06-13  419  		goto ret;
64516f633bfd2f M Chetan Kumar 2021-06-13  420  	} else if ((le32_to_cpu(p_td->scs) & SIZE_MASK) > pipe->buf_size) {
64516f633bfd2f M Chetan Kumar 2021-06-13  421  		dev_err(ipc_protocol->dev, "invalid buffer size %d > %d",
64516f633bfd2f M Chetan Kumar 2021-06-13  422  			le32_to_cpu(p_td->scs) & SIZE_MASK,
64516f633bfd2f M Chetan Kumar 2021-06-13  423  			pipe->buf_size);
64516f633bfd2f M Chetan Kumar 2021-06-13  424  		ipc_pcie_kfree_skb(ipc_protocol->pcie, skb);
64516f633bfd2f M Chetan Kumar 2021-06-13  425  		skb = NULL;
64516f633bfd2f M Chetan Kumar 2021-06-13  426  		goto ret;
64516f633bfd2f M Chetan Kumar 2021-06-13  427  	} else if (le32_to_cpu(p_td->scs) >> COMPLETION_STATUS ==
64516f633bfd2f M Chetan Kumar 2021-06-13  428  		  IPC_MEM_TD_CS_ABORT) {
64516f633bfd2f M Chetan Kumar 2021-06-13  429  		/* Discard aborted buffers. */
64516f633bfd2f M Chetan Kumar 2021-06-13  430  		dev_dbg(ipc_protocol->dev, "discard 'aborted' buffers");
64516f633bfd2f M Chetan Kumar 2021-06-13  431  		ipc_pcie_kfree_skb(ipc_protocol->pcie, skb);
64516f633bfd2f M Chetan Kumar 2021-06-13  432  		skb = NULL;
64516f633bfd2f M Chetan Kumar 2021-06-13  433  		goto ret;
64516f633bfd2f M Chetan Kumar 2021-06-13  434  	}
64516f633bfd2f M Chetan Kumar 2021-06-13  435  
64516f633bfd2f M Chetan Kumar 2021-06-13  436  	/* Set the length field in skbuf. */
64516f633bfd2f M Chetan Kumar 2021-06-13  437  	skb_put(skb, le32_to_cpu(p_td->scs) & SIZE_MASK);
64516f633bfd2f M Chetan Kumar 2021-06-13  438  
64516f633bfd2f M Chetan Kumar 2021-06-13  439  ret:
64516f633bfd2f M Chetan Kumar 2021-06-13  440  	return skb;
64516f633bfd2f M Chetan Kumar 2021-06-13  441  }
64516f633bfd2f M Chetan Kumar 2021-06-13  442  

:::::: The code at line 416 was first introduced by commit
:::::: 64516f633bfd2f576f3a18fe72184595367d11bf net: iosm: protocol operations

:::::: TO: M Chetan Kumar <m.chetan.kumar@intel.com>
:::::: CC: David S. Miller <davem@davemloft.net>

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

[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 41827 bytes --]

^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2021-07-23  9:50 UTC | newest]

Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-07-23  9:49 drivers/net/wwan/iosm/iosm_ipc_protocol_ops.c:416:4: warning: cast to pointer from integer of different size kernel test robot
2021-07-23  9:49 ` kernel test robot

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