CC: kbuild-...@lists.01.org BCC: l...@intel.com CC: linux-ker...@vger.kernel.org TO: Hans Verkuil <hverk...@xs4all.nl>
tree: git://linuxtv.org/hverkuil/media_tree.git fix-cec head: dd36bee1793249cb2548e9a4b6c10a079a10037d commit: bb541e5dcec111915f565b0cf8c3313f38bd72d8 [1/5] cec-pin: disabling the adapter cannot call kthread_stop :::::: branch date: 2 days ago :::::: commit date: 2 days ago config: openrisc-randconfig-m031-20220506 (https://download.01.org/0day-ci/archive/20220508/202205081847.epfgn3uq-...@intel.com/config) compiler: or1k-linux-gcc (GCC) 11.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> Reported-by: Dan Carpenter <dan.carpen...@oracle.com> smatch warnings: drivers/media/cec/core/cec-pin.c:1291 cec_pin_adap_free() warn: variable dereferenced before check 'pin' (see line 1288) vim +/pin +1291 drivers/media/cec/core/cec-pin.c ea5c8ef296681b drivers/media/cec/cec-pin.c Hans Verkuil 2017-07-11 1283 ea5c8ef296681b drivers/media/cec/cec-pin.c Hans Verkuil 2017-07-11 1284 static void cec_pin_adap_free(struct cec_adapter *adap) ea5c8ef296681b drivers/media/cec/cec-pin.c Hans Verkuil 2017-07-11 1285 { ea5c8ef296681b drivers/media/cec/cec-pin.c Hans Verkuil 2017-07-11 1286 struct cec_pin *pin = adap->pin; ea5c8ef296681b drivers/media/cec/cec-pin.c Hans Verkuil 2017-07-11 1287 bb541e5dcec111 drivers/media/cec/core/cec-pin.c Hans Verkuil 2022-05-06 @1288 if (pin->kthread) bb541e5dcec111 drivers/media/cec/core/cec-pin.c Hans Verkuil 2022-05-06 1289 kthread_stop(pin->kthread); bb541e5dcec111 drivers/media/cec/core/cec-pin.c Hans Verkuil 2022-05-06 1290 pin->kthread = NULL; e2ed5024ac2bc2 drivers/media/cec/core/cec-pin.c Hans Verkuil 2022-03-17 @1291 if (pin && pin->ops->free) ea5c8ef296681b drivers/media/cec/cec-pin.c Hans Verkuil 2017-07-11 1292 pin->ops->free(adap); ea5c8ef296681b drivers/media/cec/cec-pin.c Hans Verkuil 2017-07-11 1293 adap->pin = NULL; ea5c8ef296681b drivers/media/cec/cec-pin.c Hans Verkuil 2017-07-11 1294 kfree(pin); ea5c8ef296681b drivers/media/cec/cec-pin.c Hans Verkuil 2017-07-11 1295 } ea5c8ef296681b drivers/media/cec/cec-pin.c Hans Verkuil 2017-07-11 1296 :::::: The code at line 1291 was first introduced by commit :::::: e2ed5024ac2bc27d4bfc99fd58f5ab54de8fa965 media: cec: use call_op and check for !unregistered :::::: TO: Hans Verkuil <hverkuil-ci...@xs4all.nl> :::::: CC: Mauro Carvalho Chehab <mche...@kernel.org> -- 0-DAY CI Kernel Test Service https://01.org/lkp _______________________________________________ kbuild mailing list -- kbuild@lists.01.org To unsubscribe send an email to kbuild-le...@lists.01.org
