Hi Suwan, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on usb/usb-testing] [also build test WARNING on v5.2-rc5 next-20190621] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Suwan-Kim/usbip-Skip-DMA-mapping-and-unmapping-for-urb-at-vhci/20190622-130016 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing reproduce: # apt-get install sparse # sparse version: v0.6.1-rc1-7-g2b96cd8-dirty make ARCH=x86_64 allmodconfig make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) drivers/usb/usbip/usbip_common.c:419:33: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] command @@ got restrunsigned int [usertype] command @@ drivers/usb/usbip/usbip_common.c:419:33: sparse: expected unsigned int [usertype] command drivers/usb/usbip/usbip_common.c:419:33: sparse: got restricted __be32 [usertype] drivers/usb/usbip/usbip_common.c:420:33: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] seqnum @@ got restrunsigned int [usertype] seqnum @@ drivers/usb/usbip/usbip_common.c:420:33: sparse: expected unsigned int [usertype] seqnum drivers/usb/usbip/usbip_common.c:420:33: sparse: got restricted __be32 [usertype] drivers/usb/usbip/usbip_common.c:421:33: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] devid @@ got restrunsigned int [usertype] devid @@ drivers/usb/usbip/usbip_common.c:421:33: sparse: expected unsigned int [usertype] devid drivers/usb/usbip/usbip_common.c:421:33: sparse: got restricted __be32 [usertype] drivers/usb/usbip/usbip_common.c:422:33: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] direction @@ got restrunsigned int [usertype] direction @@ drivers/usb/usbip/usbip_common.c:422:33: sparse: expected unsigned int [usertype] direction drivers/usb/usbip/usbip_common.c:422:33: sparse: got restricted __be32 [usertype] drivers/usb/usbip/usbip_common.c:423:33: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] ep @@ got restrunsigned int [usertype] ep @@ drivers/usb/usbip/usbip_common.c:423:33: sparse: expected unsigned int [usertype] ep drivers/usb/usbip/usbip_common.c:423:33: sparse: got restricted __be32 [usertype] drivers/usb/usbip/usbip_common.c:425:35: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:425:35: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:425:35: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:425:35: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:425:35: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:425:35: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:426:35: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:426:35: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:426:35: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:426:35: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:426:35: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:426:35: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:427:35: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:427:35: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:427:35: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:427:35: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:427:35: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:427:35: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:428:35: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:428:35: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:428:35: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:428:35: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:428:35: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:428:35: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:429:35: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:429:35: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:429:35: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:429:35: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:429:35: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:429:35: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:437:37: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] transfer_flags @@ got restrunsigned int [usertype] transfer_flags @@ drivers/usb/usbip/usbip_common.c:437:37: sparse: expected unsigned int [usertype] transfer_flags drivers/usb/usbip/usbip_common.c:437:37: sparse: got restricted __be32 [usertype] >> drivers/usb/usbip/usbip_common.c:438:30: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] num_sgs @@ got restrunsigned int [usertype] num_sgs @@ >> drivers/usb/usbip/usbip_common.c:438:30: sparse: expected unsigned int [usertype] num_sgs drivers/usb/usbip/usbip_common.c:438:30: sparse: got restricted __be32 [usertype] drivers/usb/usbip/usbip_common.c:445:39: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:445:39: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:445:39: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:445:39: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:445:39: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:445:39: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:446:32: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:446:32: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:446:32: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:446:32: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:446:32: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:446:32: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:477:29: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] seqnum @@ got restrunsigned int [usertype] seqnum @@ drivers/usb/usbip/usbip_common.c:477:29: sparse: expected unsigned int [usertype] seqnum drivers/usb/usbip/usbip_common.c:477:29: sparse: got restricted __be32 [usertype] drivers/usb/usbip/usbip_common.c:479:31: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:479:31: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:479:31: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:479:31: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:479:31: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:479:31: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:529:33: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] offset @@ got restrunsigned int [usertype] offset @@ drivers/usb/usbip/usbip_common.c:529:33: sparse: expected unsigned int [usertype] offset drivers/usb/usbip/usbip_common.c:529:33: sparse: got restricted __be32 [usertype] drivers/usb/usbip/usbip_common.c:530:33: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] length @@ got restrunsigned int [usertype] length @@ drivers/usb/usbip/usbip_common.c:530:33: sparse: expected unsigned int [usertype] length drivers/usb/usbip/usbip_common.c:530:33: sparse: got restricted __be32 [usertype] drivers/usb/usbip/usbip_common.c:531:33: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] status @@ got restrunsigned int [usertype] status @@ drivers/usb/usbip/usbip_common.c:531:33: sparse: expected unsigned int [usertype] status drivers/usb/usbip/usbip_common.c:531:33: sparse: got restricted __be32 [usertype] drivers/usb/usbip/usbip_common.c:532:36: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] actual_length @@ got restrunsigned int [usertype] actual_length @@ drivers/usb/usbip/usbip_common.c:532:36: sparse: expected unsigned int [usertype] actual_length drivers/usb/usbip/usbip_common.c:532:36: sparse: got restricted __be32 [usertype] drivers/usb/usbip/usbip_common.c:534:35: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:534:35: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:534:35: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:534:35: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:534:35: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:534:35: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:535:35: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:535:35: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:535:35: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:535:35: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:535:35: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:535:35: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:536:35: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:536:35: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:536:35: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:536:35: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:536:35: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:536:35: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:537:38: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:537:38: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:537:38: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:537:38: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:537:38: sparse: sparse: cast to restricted __be32 drivers/usb/usbip/usbip_common.c:537:38: sparse: sparse: cast to restricted __be32 vim +438 drivers/usb/usbip/usbip_common.c 415 416 static void correct_endian_basic(struct usbip_header_basic *base, int send) 417 { 418 if (send) { 419 base->command = cpu_to_be32(base->command); 420 base->seqnum = cpu_to_be32(base->seqnum); 421 base->devid = cpu_to_be32(base->devid); 422 base->direction = cpu_to_be32(base->direction); 423 base->ep = cpu_to_be32(base->ep); 424 } else { 425 base->command = be32_to_cpu(base->command); 426 base->seqnum = be32_to_cpu(base->seqnum); 427 base->devid = be32_to_cpu(base->devid); 428 base->direction = be32_to_cpu(base->direction); > 429 base->ep = be32_to_cpu(base->ep); 430 } 431 } 432 433 static void correct_endian_cmd_submit(struct usbip_header_cmd_submit *pdu, 434 int send) 435 { 436 if (send) { 437 pdu->transfer_flags = cpu_to_be32(pdu->transfer_flags); > 438 pdu->num_sgs = cpu_to_be32(pdu->num_sgs); 439 440 cpu_to_be32s(&pdu->transfer_buffer_length); 441 cpu_to_be32s(&pdu->start_frame); 442 cpu_to_be32s(&pdu->number_of_packets); 443 cpu_to_be32s(&pdu->interval); 444 } else { 445 pdu->transfer_flags = be32_to_cpu(pdu->transfer_flags); 446 pdu->num_sgs = be32_to_cpu(pdu->num_sgs); 447 448 be32_to_cpus(&pdu->transfer_buffer_length); 449 be32_to_cpus(&pdu->start_frame); 450 be32_to_cpus(&pdu->number_of_packets); 451 be32_to_cpus(&pdu->interval); 452 } 453 } 454 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
