Am 16.11.2015 um 21:47 schrieb kbuild test robot: > Hi Heiner, > > [auto build test WARNING on linuxtv-media/master] > [also build test WARNING on v4.4-rc1 next-20151116] > > url: > https://github.com/0day-ci/linux/commits/Heiner-Kallweit/media-rc-fix-decoder-module-unloading/20151117-035809 > base: git://linuxtv.org/media_tree.git master > config: parisc-allmodconfig (attached as .config) > reproduce: > wget > https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross > -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # save the attached .config to linux build tree > make.cross ARCH=parisc > > All warnings (new ones prefixed by >>): > > In file included from include/media/rc-core.h:23:0, > from drivers/media/pci/cx23885/cx23885-input.c:34: > drivers/media/pci/cx23885/cx23885-input.c: In function > 'cx23885_input_init': >>> include/media/rc-map.h:57:21: warning: large integer implicitly truncated >>> to unsigned type [-Woverflow] > #define RC_BIT_ALL ~RC_BIT_NONE > ^ >>> drivers/media/pci/cx23885/cx23885-input.c:289:20: note: in expansion of >>> macro 'RC_BIT_ALL' > allowed_protos = RC_BIT_ALL; > ^ >>> include/media/rc-map.h:57:21: warning: large integer implicitly truncated >>> to unsigned type [-Woverflow] > #define RC_BIT_ALL ~RC_BIT_NONE > ^ > drivers/media/pci/cx23885/cx23885-input.c:303:20: note: in expansion of > macro 'RC_BIT_ALL' > allowed_protos = RC_BIT_ALL; > ^ >>> include/media/rc-map.h:57:21: warning: large integer implicitly truncated >>> to unsigned type [-Woverflow] > #define RC_BIT_ALL ~RC_BIT_NONE > ^ > drivers/media/pci/cx23885/cx23885-input.c:310:20: note: in expansion of > macro 'RC_BIT_ALL' > allowed_protos = RC_BIT_ALL; > ^ >>> include/media/rc-map.h:57:21: warning: large integer implicitly truncated >>> to unsigned type [-Woverflow] > #define RC_BIT_ALL ~RC_BIT_NONE > ^ > drivers/media/pci/cx23885/cx23885-input.c:318:20: note: in expansion of > macro 'RC_BIT_ALL' > allowed_protos = RC_BIT_ALL; > ^ >>> include/media/rc-map.h:57:21: warning: large integer implicitly truncated >>> to unsigned type [-Woverflow] > #define RC_BIT_ALL ~RC_BIT_NONE > ^ > drivers/media/pci/cx23885/cx23885-input.c:330:20: note: in expansion of > macro 'RC_BIT_ALL' > allowed_protos = RC_BIT_ALL; > ^ >>> include/media/rc-map.h:57:21: warning: large integer implicitly truncated >>> to unsigned type [-Woverflow] > #define RC_BIT_ALL ~RC_BIT_NONE > ^ > drivers/media/pci/cx23885/cx23885-input.c:336:20: note: in expansion of > macro 'RC_BIT_ALL' > allowed_protos = RC_BIT_ALL; > ^ > > vim +57 include/media/rc-map.h > > 41 #define RC_BIT_RC5_SZ (1ULL << RC_TYPE_RC5_SZ) > 42 #define RC_BIT_JVC (1ULL << RC_TYPE_JVC) > 43 #define RC_BIT_SONY12 (1ULL << RC_TYPE_SONY12) > 44 #define RC_BIT_SONY15 (1ULL << RC_TYPE_SONY15) > 45 #define RC_BIT_SONY20 (1ULL << RC_TYPE_SONY20) > 46 #define RC_BIT_NEC (1ULL << RC_TYPE_NEC) > 47 #define RC_BIT_SANYO (1ULL << RC_TYPE_SANYO) > 48 #define RC_BIT_MCE_KBD (1ULL << RC_TYPE_MCE_KBD) > 49 #define RC_BIT_RC6_0 (1ULL << RC_TYPE_RC6_0) > 50 #define RC_BIT_RC6_6A_20 (1ULL << RC_TYPE_RC6_6A_20) > 51 #define RC_BIT_RC6_6A_24 (1ULL << RC_TYPE_RC6_6A_24) > 52 #define RC_BIT_RC6_6A_32 (1ULL << RC_TYPE_RC6_6A_32) > 53 #define RC_BIT_RC6_MCE (1ULL << RC_TYPE_RC6_MCE) > 54 #define RC_BIT_SHARP (1ULL << RC_TYPE_SHARP) > 55 #define RC_BIT_XMP (1ULL << RC_TYPE_XMP) > 56 > > 57 #define RC_BIT_ALL ~RC_BIT_NONE > 58 > 59 #define RC_SCANCODE_UNKNOWN(x) (x) > 60 #define RC_SCANCODE_OTHER(x) (x) > 61 #define RC_SCANCODE_NEC(addr, cmd) (((addr) << 8) > | (cmd)) > 62 #define RC_SCANCODE_NECX(addr, cmd) (((addr) << 8) > | (cmd)) > 63 #define RC_SCANCODE_NEC32(data) ((data) & > 0xffffffff) > 64 #define RC_SCANCODE_RC5(sys, cmd) (((sys) << 8) | > (cmd)) > 65 #define RC_SCANCODE_RC5_SZ(sys, cmd) (((sys) << 8) | > (cmd)) > > --- > 0-DAY kernel test infrastructure Open Source Technology Center > https://lists.01.org/pipermail/kbuild-all Intel Corporation > To me this seems to be a bug in cx23885. Variable allowed_protos should be of type u64 instead of unsigned long because its value later is assigned to rc->allowed_protocols which is of type u64. If you agree I'd send a patch.
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