Hi, [auto build test WARNING on balbi-usb/next] [also build test WARNING on v4.7-rc6 next-20160707] [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/Mathieu-Laurendeau/usb-gadget-fix-gadgetfs-aio-support/20160708-164431 base: https://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git next config: x86_64-randconfig-s5-07081546 (attached as .config) compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): In file included from include/linux/init.h:4:0, from drivers/usb/gadget/legacy/inode.c:16: drivers/usb/gadget/legacy/inode.c: In function 'ep_aio': drivers/usb/gadget/legacy/inode.c:545:27: warning: comparison between pointer and integer if (unlikely(epdata->ep) == NULL) ^ include/linux/compiler.h:151:30: note: in definition of macro '__trace_if' if (__builtin_constant_p(!!(cond)) ? !!(cond) : \ ^~~~ >> drivers/usb/gadget/legacy/inode.c:545:2: note: in expansion of macro 'if' if (unlikely(epdata->ep) == NULL) ^~ drivers/usb/gadget/legacy/inode.c:545:27: warning: comparison between pointer and integer if (unlikely(epdata->ep) == NULL) ^ include/linux/compiler.h:151:42: note: in definition of macro '__trace_if' if (__builtin_constant_p(!!(cond)) ? !!(cond) : \ ^~~~ >> drivers/usb/gadget/legacy/inode.c:545:2: note: in expansion of macro 'if' if (unlikely(epdata->ep) == NULL) ^~ drivers/usb/gadget/legacy/inode.c:545:27: warning: comparison between pointer and integer if (unlikely(epdata->ep) == NULL) ^ include/linux/compiler.h:162:16: note: in definition of macro '__trace_if' ______r = !!(cond); \ ^~~~ >> drivers/usb/gadget/legacy/inode.c:545:2: note: in expansion of macro 'if' if (unlikely(epdata->ep) == NULL) ^~ -- In file included from /kbuild/src/stress/include/linux/init.h:4:0, from /kbuild/src/stress/drivers/usb/gadget/legacy/inode.c:16: /kbuild/src/stress/drivers/usb/gadget/legacy/inode.c: In function 'ep_aio': /kbuild/src/stress/drivers/usb/gadget/legacy/inode.c:545:27: warning: comparison between pointer and integer if (unlikely(epdata->ep) == NULL) ^ /kbuild/src/stress/include/linux/compiler.h:151:30: note: in definition of macro '__trace_if' if (__builtin_constant_p(!!(cond)) ? !!(cond) : \ ^~~~ >> /kbuild/src/stress/drivers/usb/gadget/legacy/inode.c:545:2: note: in expansion of macro 'if' if (unlikely(epdata->ep) == NULL) ^~ /kbuild/src/stress/drivers/usb/gadget/legacy/inode.c:545:27: warning: comparison between pointer and integer if (unlikely(epdata->ep) == NULL) ^ /kbuild/src/stress/include/linux/compiler.h:151:42: note: in definition of macro '__trace_if' if (__builtin_constant_p(!!(cond)) ? !!(cond) : \ ^~~~ >> /kbuild/src/stress/drivers/usb/gadget/legacy/inode.c:545:2: note: in expansion of macro 'if' if (unlikely(epdata->ep) == NULL) ^~ /kbuild/src/stress/drivers/usb/gadget/legacy/inode.c:545:27: warning: comparison between pointer and integer if (unlikely(epdata->ep) == NULL) ^ /kbuild/src/stress/include/linux/compiler.h:162:16: note: in definition of macro '__trace_if' ______r = !!(cond); \ ^~~~ >> /kbuild/src/stress/drivers/usb/gadget/legacy/inode.c:545:2: note: in expansion of macro 'if' if (unlikely(epdata->ep) == NULL) ^~ vim +/if +545 drivers/usb/gadget/legacy/inode.c 529 ssize_t value; 530 531 iocb->private = priv; 532 priv->iocb = iocb; 533 534 kiocb_set_cancel_fn(iocb, ep_aio_cancel); 535 get_ep(epdata); 536 priv->epdata = epdata; 537 priv->actual = 0; 538 priv->mm = current->mm; /* mm teardown waits for iocbs in exit_aio() */ 539 540 /* each kiocb is coupled to one usb_request, but we can't 541 * allocate or submit those if the host disconnected. 542 */ 543 spin_lock_irq(&epdata->dev->lock); 544 value = -ENODEV; > 545 if (unlikely(epdata->ep) == NULL) 546 goto fail; 547 548 req = usb_ep_alloc_request(epdata->ep, GFP_ATOMIC); 549 value = -ENOMEM; 550 if (unlikely(!req)) 551 goto fail; 552 553 priv->req = req; --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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