drivers/bus/mhi/core/boot.c:222:3: warning: Variable 'i' is modified but its new value is never used.

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From: Dan Carpenter <dan.carpenter@oracle.com>
To: kbuild@lists.01.org
Subject: drivers/bus/mhi/core/boot.c:222:3: warning: Variable 'i' is modified but its new value is never used.
Date: Tue, 27 Oct 2020 10:02:26 +0300	[thread overview]
Message-ID: <20201027070226.GI18329@kadam> (raw)

[-- Attachment #1: Type: text/plain, Size: 2942 bytes --]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git  master
head:   4525c8781ec0701ce824e8bd379ae1b129e26568
commit: cd457afb16670501f00354eb0e705a7d8a50d79d bus: mhi: core: Add support for downloading firmware over BHIe
compiler: powerpc64le-linux-gcc (GCC) 9.3.0

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


cppcheck possible warnings: (new ones prefixed by >>, may not real problems)

>> drivers/bus/mhi/core/boot.c:222:3: warning: Variable 'i' is modified but its new value is never used. [unreadVariable]
     i++;
     ^

vim +/i +222 drivers/bus/mhi/core/boot.c

cd457afb166705 Manivannan Sadhasivam 2020-02-20  203  static void mhi_firmware_copy(struct mhi_controller *mhi_cntrl,
cd457afb166705 Manivannan Sadhasivam 2020-02-20  204  			      const struct firmware *firmware,
cd457afb166705 Manivannan Sadhasivam 2020-02-20  205  			      struct image_info *img_info)
cd457afb166705 Manivannan Sadhasivam 2020-02-20  206  {
cd457afb166705 Manivannan Sadhasivam 2020-02-20  207  	size_t remainder = firmware->size;
cd457afb166705 Manivannan Sadhasivam 2020-02-20  208  	size_t to_cpy;
cd457afb166705 Manivannan Sadhasivam 2020-02-20  209  	const u8 *buf = firmware->data;
cd457afb166705 Manivannan Sadhasivam 2020-02-20  210  	int i = 0;
cd457afb166705 Manivannan Sadhasivam 2020-02-20  211  	struct mhi_buf *mhi_buf = img_info->mhi_buf;
cd457afb166705 Manivannan Sadhasivam 2020-02-20  212  	struct bhi_vec_entry *bhi_vec = img_info->bhi_vec;
cd457afb166705 Manivannan Sadhasivam 2020-02-20  213  
cd457afb166705 Manivannan Sadhasivam 2020-02-20  214  	while (remainder) {
cd457afb166705 Manivannan Sadhasivam 2020-02-20  215  		to_cpy = min(remainder, mhi_buf->len);
cd457afb166705 Manivannan Sadhasivam 2020-02-20  216  		memcpy(mhi_buf->buf, buf, to_cpy);
cd457afb166705 Manivannan Sadhasivam 2020-02-20  217  		bhi_vec->dma_addr = mhi_buf->dma_addr;
cd457afb166705 Manivannan Sadhasivam 2020-02-20  218  		bhi_vec->size = to_cpy;
cd457afb166705 Manivannan Sadhasivam 2020-02-20  219  
cd457afb166705 Manivannan Sadhasivam 2020-02-20  220  		buf += to_cpy;
cd457afb166705 Manivannan Sadhasivam 2020-02-20  221  		remainder -= to_cpy;
cd457afb166705 Manivannan Sadhasivam 2020-02-20 @222  		i++;
                                                                ^^^^
Delete i.

cd457afb166705 Manivannan Sadhasivam 2020-02-20  223  		bhi_vec++;
cd457afb166705 Manivannan Sadhasivam 2020-02-20  224  		mhi_buf++;
cd457afb166705 Manivannan Sadhasivam 2020-02-20  225  	}
cd457afb166705 Manivannan Sadhasivam 2020-02-20  226  }

---
0-DAY CI Kernel Test Service, Intel Corporation
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WARNING: multiple messages have this Message-ID (diff)

From: Dan Carpenter <dan.carpenter@oracle.com>
To: kbuild-all@lists.01.org
Subject: [kbuild] drivers/bus/mhi/core/boot.c:222:3: warning: Variable 'i' is modified but its new value is never used.
Date: Tue, 27 Oct 2020 10:02:26 +0300	[thread overview]
Message-ID: <20201027070226.GI18329@kadam> (raw)

[-- Attachment #1: Type: text/plain, Size: 2942 bytes --]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git  master
head:   4525c8781ec0701ce824e8bd379ae1b129e26568
commit: cd457afb16670501f00354eb0e705a7d8a50d79d bus: mhi: core: Add support for downloading firmware over BHIe
compiler: powerpc64le-linux-gcc (GCC) 9.3.0

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


cppcheck possible warnings: (new ones prefixed by >>, may not real problems)

>> drivers/bus/mhi/core/boot.c:222:3: warning: Variable 'i' is modified but its new value is never used. [unreadVariable]
     i++;
     ^

vim +/i +222 drivers/bus/mhi/core/boot.c

cd457afb166705 Manivannan Sadhasivam 2020-02-20  203  static void mhi_firmware_copy(struct mhi_controller *mhi_cntrl,
cd457afb166705 Manivannan Sadhasivam 2020-02-20  204  			      const struct firmware *firmware,
cd457afb166705 Manivannan Sadhasivam 2020-02-20  205  			      struct image_info *img_info)
cd457afb166705 Manivannan Sadhasivam 2020-02-20  206  {
cd457afb166705 Manivannan Sadhasivam 2020-02-20  207  	size_t remainder = firmware->size;
cd457afb166705 Manivannan Sadhasivam 2020-02-20  208  	size_t to_cpy;
cd457afb166705 Manivannan Sadhasivam 2020-02-20  209  	const u8 *buf = firmware->data;
cd457afb166705 Manivannan Sadhasivam 2020-02-20  210  	int i = 0;
cd457afb166705 Manivannan Sadhasivam 2020-02-20  211  	struct mhi_buf *mhi_buf = img_info->mhi_buf;
cd457afb166705 Manivannan Sadhasivam 2020-02-20  212  	struct bhi_vec_entry *bhi_vec = img_info->bhi_vec;
cd457afb166705 Manivannan Sadhasivam 2020-02-20  213  
cd457afb166705 Manivannan Sadhasivam 2020-02-20  214  	while (remainder) {
cd457afb166705 Manivannan Sadhasivam 2020-02-20  215  		to_cpy = min(remainder, mhi_buf->len);
cd457afb166705 Manivannan Sadhasivam 2020-02-20  216  		memcpy(mhi_buf->buf, buf, to_cpy);
cd457afb166705 Manivannan Sadhasivam 2020-02-20  217  		bhi_vec->dma_addr = mhi_buf->dma_addr;
cd457afb166705 Manivannan Sadhasivam 2020-02-20  218  		bhi_vec->size = to_cpy;
cd457afb166705 Manivannan Sadhasivam 2020-02-20  219  
cd457afb166705 Manivannan Sadhasivam 2020-02-20  220  		buf += to_cpy;
cd457afb166705 Manivannan Sadhasivam 2020-02-20  221  		remainder -= to_cpy;
cd457afb166705 Manivannan Sadhasivam 2020-02-20 @222  		i++;
                                                                ^^^^
Delete i.

cd457afb166705 Manivannan Sadhasivam 2020-02-20  223  		bhi_vec++;
cd457afb166705 Manivannan Sadhasivam 2020-02-20  224  		mhi_buf++;
cd457afb166705 Manivannan Sadhasivam 2020-02-20  225  	}
cd457afb166705 Manivannan Sadhasivam 2020-02-20  226  }

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org 
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WARNING: multiple messages have this Message-ID (diff)

From: Dan Carpenter <dan.carpenter@oracle.com>
To: kbuild@lists.01.org,
	Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Cc: lkp@intel.com, kbuild-all@lists.01.org,
	linux-kernel@vger.kernel.org,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Sujeev Dias <sdias@codeaurora.org>,
	Siddartha Mohanadoss <smohanad@codeaurora.org>,
	Jeffrey Hugo <jhugo@codeaurora.org>
Subject: [kbuild] drivers/bus/mhi/core/boot.c:222:3: warning: Variable 'i' is modified but its new value is never used.
Date: Tue, 27 Oct 2020 10:02:26 +0300	[thread overview]
Message-ID: <20201027070226.GI18329@kadam> (raw)

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git  master
head:   4525c8781ec0701ce824e8bd379ae1b129e26568
commit: cd457afb16670501f00354eb0e705a7d8a50d79d bus: mhi: core: Add support for downloading firmware over BHIe
compiler: powerpc64le-linux-gcc (GCC) 9.3.0

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


cppcheck possible warnings: (new ones prefixed by >>, may not real problems)

>> drivers/bus/mhi/core/boot.c:222:3: warning: Variable 'i' is modified but its new value is never used. [unreadVariable]
     i++;
     ^

vim +/i +222 drivers/bus/mhi/core/boot.c

cd457afb166705 Manivannan Sadhasivam 2020-02-20  203  static void mhi_firmware_copy(struct mhi_controller *mhi_cntrl,
cd457afb166705 Manivannan Sadhasivam 2020-02-20  204  			      const struct firmware *firmware,
cd457afb166705 Manivannan Sadhasivam 2020-02-20  205  			      struct image_info *img_info)
cd457afb166705 Manivannan Sadhasivam 2020-02-20  206  {
cd457afb166705 Manivannan Sadhasivam 2020-02-20  207  	size_t remainder = firmware->size;
cd457afb166705 Manivannan Sadhasivam 2020-02-20  208  	size_t to_cpy;
cd457afb166705 Manivannan Sadhasivam 2020-02-20  209  	const u8 *buf = firmware->data;
cd457afb166705 Manivannan Sadhasivam 2020-02-20  210  	int i = 0;
cd457afb166705 Manivannan Sadhasivam 2020-02-20  211  	struct mhi_buf *mhi_buf = img_info->mhi_buf;
cd457afb166705 Manivannan Sadhasivam 2020-02-20  212  	struct bhi_vec_entry *bhi_vec = img_info->bhi_vec;
cd457afb166705 Manivannan Sadhasivam 2020-02-20  213  
cd457afb166705 Manivannan Sadhasivam 2020-02-20  214  	while (remainder) {
cd457afb166705 Manivannan Sadhasivam 2020-02-20  215  		to_cpy = min(remainder, mhi_buf->len);
cd457afb166705 Manivannan Sadhasivam 2020-02-20  216  		memcpy(mhi_buf->buf, buf, to_cpy);
cd457afb166705 Manivannan Sadhasivam 2020-02-20  217  		bhi_vec->dma_addr = mhi_buf->dma_addr;
cd457afb166705 Manivannan Sadhasivam 2020-02-20  218  		bhi_vec->size = to_cpy;
cd457afb166705 Manivannan Sadhasivam 2020-02-20  219  
cd457afb166705 Manivannan Sadhasivam 2020-02-20  220  		buf += to_cpy;
cd457afb166705 Manivannan Sadhasivam 2020-02-20  221  		remainder -= to_cpy;
cd457afb166705 Manivannan Sadhasivam 2020-02-20 @222  		i++;
                                                                ^^^^
Delete i.

cd457afb166705 Manivannan Sadhasivam 2020-02-20  223  		bhi_vec++;
cd457afb166705 Manivannan Sadhasivam 2020-02-20  224  		mhi_buf++;
cd457afb166705 Manivannan Sadhasivam 2020-02-20  225  	}
cd457afb166705 Manivannan Sadhasivam 2020-02-20  226  }

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org 
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next             reply	other threads:[~2020-10-27  7:02 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-27  7:02 Dan Carpenter [this message]
2020-10-27  7:02 ` [kbuild] drivers/bus/mhi/core/boot.c:222:3: warning: Variable 'i' is modified but its new value is never used Dan Carpenter
2020-10-27  7:02 ` Dan Carpenter
  -- strict thread matches above, loose matches on Subject: below --
2020-10-27  2:21 kernel test robot

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