Messages in this thread | | | Date | Wed, 5 Jan 2022 19:33:25 +0800 | From | kernel test robot <> | Subject | drivers/remoteproc/remoteproc_debugfs.c:395:31: sparse: sparse: incorrect type in return expression (different base types) |
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tree: https://github.com/0day-ci/linux/commits/UPDATE-20220105-144328/Miaoqian-Lin/remoteproc-Fix-NULL-vs-IS_ERR-checking-in-rproc_create_trace_file/20211227-170725 head: e2c26738760efa9568ce3fef6180fb4311e28d08 commit: e2c26738760efa9568ce3fef6180fb4311e28d08 remoteproc: Fix NULL vs IS_ERR() checking in rproc_create_trace_file date: 5 hours ago config: powerpc-randconfig-s031-20220105 (https://download.01.org/0day-ci/archive/20220105/202201051942.CihtR2Ia-lkp@intel.com/config) compiler: powerpc-linux-gcc (GCC) 11.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-dirty # https://github.com/0day-ci/linux/commit/e2c26738760efa9568ce3fef6180fb4311e28d08 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review UPDATE-20220105-144328/Miaoqian-Lin/remoteproc-Fix-NULL-vs-IS_ERR-checking-in-rproc_create_trace_file/20211227-170725 git checkout e2c26738760efa9568ce3fef6180fb4311e28d08 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=powerpc SHELL=/bin/bash drivers/input/touchscreen/ drivers/remoteproc/
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>) >> drivers/remoteproc/remoteproc_debugfs.c:395:31: sparse: sparse: incorrect type in return expression (different base types) @@ expected struct dentry * @@ got long @@ drivers/remoteproc/remoteproc_debugfs.c:395:31: sparse: expected struct dentry * drivers/remoteproc/remoteproc_debugfs.c:395:31: sparse: got long
vim +395 drivers/remoteproc/remoteproc_debugfs.c
385 386 struct dentry *rproc_create_trace_file(const char *name, struct rproc *rproc, 387 struct rproc_debug_trace *trace) 388 { 389 struct dentry *tfile; 390 391 tfile = debugfs_create_file(name, 0400, rproc->dbg_dir, trace, 392 &trace_rproc_ops); 393 if (IS_ERR(tfile)) { 394 dev_err(&rproc->dev, "failed to create debugfs trace entry\n"); > 395 return PTR_ERR(tfile); 396 } 397 398 return tfile; 399 } 400
--- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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