Messages in this thread | | | Date | Tue, 27 Oct 2020 10:02:26 +0300 | From | Dan Carpenter <> | Subject | [kbuild] drivers/bus/mhi/core/boot.c:222:3: warning: Variable 'i' is modified but its new value is never used. |
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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 }
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