Messages in this thread | | | Date | Mon, 6 Jul 2020 17:29:27 +0800 | From | kernel test robot <> | Subject | include/linux/spinlock.h:393:9: sparse: sparse: context imbalance in 'req_done' - unexpected unlock |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: dcb7fd82c75ee2d6e6f9d8cc71c52519ed52e258 commit: 80591e61a0f7e88deaada69844e4a31280c4a38f kbuild: tell sparse about the $ARCH date: 8 months ago config: nios2-randconfig-s032-20200706 (attached as .config) compiler: nios2-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.2-14-g8fce3d7a-dirty git checkout 80591e61a0f7e88deaada69844e4a31280c4a38f # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=nios2
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/usb/gadget/udc/pxa27x_udc.c:2093:20: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le16 [assigned] [usertype] wValue @@ got int config @@ drivers/usb/gadget/udc/pxa27x_udc.c:2093:20: sparse: expected restricted __le16 [assigned] [usertype] wValue drivers/usb/gadget/udc/pxa27x_udc.c:2093:20: sparse: got int config drivers/usb/gadget/udc/pxa27x_udc.c:2122:20: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le16 [assigned] [usertype] wValue @@ got int alt @@ drivers/usb/gadget/udc/pxa27x_udc.c:2122:20: sparse: expected restricted __le16 [assigned] [usertype] wValue drivers/usb/gadget/udc/pxa27x_udc.c:2122:20: sparse: got int alt drivers/usb/gadget/udc/pxa27x_udc.c:2123:20: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le16 [assigned] [usertype] wIndex @@ got int iface @@ drivers/usb/gadget/udc/pxa27x_udc.c:2123:20: sparse: expected restricted __le16 [assigned] [usertype] wIndex drivers/usb/gadget/udc/pxa27x_udc.c:2123:20: sparse: got int iface drivers/usb/gadget/udc/pxa27x_udc.c:2306:17: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted __le16 [usertype] wMaxPacketSize @@ got unsigned int @@ drivers/usb/gadget/udc/pxa27x_udc.c:2306:17: sparse: expected restricted __le16 [usertype] wMaxPacketSize drivers/usb/gadget/udc/pxa27x_udc.c:2306:17: sparse: got unsigned int drivers/usb/gadget/udc/pxa27x_udc.c:2307:17: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted __le16 [usertype] wMaxPacketSize @@ got unsigned int @@ drivers/usb/gadget/udc/pxa27x_udc.c:2307:17: sparse: expected restricted __le16 [usertype] wMaxPacketSize drivers/usb/gadget/udc/pxa27x_udc.c:2307:17: sparse: got unsigned int drivers/usb/gadget/udc/pxa27x_udc.c:2308:17: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted __le16 [usertype] wMaxPacketSize @@ got unsigned int @@ drivers/usb/gadget/udc/pxa27x_udc.c:2308:17: sparse: expected restricted __le16 [usertype] wMaxPacketSize drivers/usb/gadget/udc/pxa27x_udc.c:2308:17: sparse: got unsigned int drivers/usb/gadget/udc/pxa27x_udc.c:2309:17: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted __le16 [usertype] wMaxPacketSize @@ got unsigned int @@ drivers/usb/gadget/udc/pxa27x_udc.c:2309:17: sparse: expected restricted __le16 [usertype] wMaxPacketSize drivers/usb/gadget/udc/pxa27x_udc.c:2309:17: sparse: got unsigned int drivers/usb/gadget/udc/pxa27x_udc.c:2310:17: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted __le16 [usertype] wMaxPacketSize @@ got unsigned int @@ drivers/usb/gadget/udc/pxa27x_udc.c:2310:17: sparse: expected restricted __le16 [usertype] wMaxPacketSize drivers/usb/gadget/udc/pxa27x_udc.c:2310:17: sparse: got unsigned int drivers/usb/gadget/udc/pxa27x_udc.c:2311:17: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted __le16 [usertype] wMaxPacketSize @@ got unsigned int @@ drivers/usb/gadget/udc/pxa27x_udc.c:2311:17: sparse: expected restricted __le16 [usertype] wMaxPacketSize drivers/usb/gadget/udc/pxa27x_udc.c:2311:17: sparse: got unsigned int >> include/linux/spinlock.h:393:9: sparse: sparse: context imbalance in 'req_done' - unexpected unlock
vim +/req_done +393 include/linux/spinlock.h
c2f21ce2e31286a Thomas Gleixner 2009-12-02 390 3490565b633c705 Denys Vlasenko 2015-07-13 391 static __always_inline void spin_unlock_irqrestore(spinlock_t *lock, unsigned long flags) c2f21ce2e31286a Thomas Gleixner 2009-12-02 392 { c2f21ce2e31286a Thomas Gleixner 2009-12-02 @393 raw_spin_unlock_irqrestore(&lock->rlock, flags); c2f21ce2e31286a Thomas Gleixner 2009-12-02 394 } c2f21ce2e31286a Thomas Gleixner 2009-12-02 395
:::::: The code at line 393 was first introduced by commit :::::: c2f21ce2e31286a0a32f8da0a7856e9ca1122ef3 locking: Implement new raw_spinlock
:::::: TO: Thomas Gleixner <tglx@linutronix.de> :::::: CC: Thomas Gleixner <tglx@linutronix.de>
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