11:38 a.m.
tree: https://github.com/intel/linux-intel-lts.git 5.4/preempt-rt
head: 646a89c49751509d6493602ca6df16e229574d24
commit: 9b07a958f2eb496c88faf0bd749eb600357f4190 [9719/19036] crypto: keembay: Add Keem
Bay OCS HCU
config: x86_64-randconfig-s021-20211001 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.4-dirty
#
https://github.com/intel/linux-intel-lts/commit/9b07a958f2eb496c88faf0bd7...
git remote add intel-lts https://github.com/intel/linux-intel-lts.git
git fetch --no-tags intel-lts 5.4/preempt-rt
git checkout 9b07a958f2eb496c88faf0bd749eb600357f4190
# save the attached .config to linux build tree
make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir
ARCH=x86_64 SHELL=/bin/bash drivers/crypto/keembay/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
sparse warnings: (new ones prefixed by >>)
> drivers/crypto/keembay/keembay-ocs-hcu-core.c:218:31: sparse:
sparse: Using plain integer as NULL pointer
drivers/crypto/keembay/keembay-ocs-hcu-core.c:219:31: sparse: sparse: Using plain integer
as NULL pointer
drivers/crypto/keembay/keembay-ocs-hcu-core.c:749:31: sparse: sparse: Using plain
integer as NULL pointer
drivers/crypto/keembay/keembay-ocs-hcu-core.c:750:31: sparse: sparse: Using plain
integer as NULL pointer
vim +218 drivers/crypto/keembay/keembay-ocs-hcu-core.c
202
203 static void kmb_ocs_free_dma_list(struct ocs_hcu_rctx *rctx)
204 {
205 struct ocs_hcu_dev *hcu_dev = rctx->hcu_dev;
206 struct device *dev = hcu_dev->dev;
207
208 if (!rctx->dma_list_head || !rctx->dma_list_tail)
209 return;
210
211 if (rctx->sg_dma_nents > 0)
212 dma_unmap_sg(dev, hcu_dev->req->src, rctx->sg_dma_nents,
213 DMA_TO_DEVICE);
214
215 dma_free_coherent(dev, rctx->dma_list_size, rctx->dma_list_head,
216 rctx->ll_dma_addr);
217
218 rctx->dma_list_head = 0;
219 rctx->dma_list_tail
= 0;
220 rctx->ll_dma_addr = 0;
221 }
222
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org