[kbuild-all] [gfs2:for-next.radical6j 17/26] fs/gfs2/glock.c:949:9: sparse: sparse: context imbalance in 'state_machine' - wrong count at exit

tree: https://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2.git for-next.radical6j head: 7b8c8263459404aea0c41574ef44e827d7ea1215 commit: 1cd536a236d31c9d8a0a0f1b2bd9978036b2aa21 [17/26] gfs2: move the rest of glock_work_func into the state machine config: x86_64-randconfig-s022-20210311 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.3-262-g5e674421-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2.git/commi... git remote add gfs2 https://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2.git git fetch --no-tags gfs2 for-next.radical6j git checkout 1cd536a236d31c9d8a0a0f1b2bd9978036b2aa21 # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; "sparse warnings: (new ones prefixed by >>)" fs/gfs2/glock.c: note: in included file: fs/gfs2/glock.h:218:36: sparse: sparse: context imbalance in '__gfs2_glock_put' - unexpected unlock vim +/state_machine +949 fs/gfs2/glock.c 936 937 /** 938 * state_machine - the glock state machine 939 * @gl: pointer to the glock we are transitioning 940 * @new_state: The new state we need to execute 941 * 942 * Just like __state_machine but it acquires the gl_lockref lock 943 */ 944 static void state_machine(struct gfs2_glock *gl, int new_state) 945 __releases(&gl->gl_lockref.lock) 946 __acquires(&gl->gl_lockref.lock) 947 { 948 spin_lock(&gl->gl_lockref.lock); 950 spin_unlock(&gl->gl_lockref.lock); 951 } 952 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org