[bvanassche:thread-safety 85/133] drivers/infiniband/core/uverbs_std_types_dmabuf.c:194:1: warning: unused label 'unlock'

[kernel test robot <lkp@intel.com>]

tree:   https://github.com/bvanassche/linux thread-safety
head:   09aab91c2fcb166bfe35c0f9c2c5b6b960722087
commit: ed41e5171bfb2fbf79e518ef59bfebe2446d37a7 [85/133] RDMA/core: Check the dma_resv_lock() return value
config: x86_64-randconfig-2102-20261026 (https://download.01.org/0day-ci/archive/20261026/202610261401.SEKydNvW-lkp@intel.com/config)
compiler: clang version 22.1.8 (https://github.com/llvm/llvm-project ca7933e47d3a3451d81e72ac174dcb5aa28b59d1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261026/202610261401.SEKydNvW-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202610261401.SEKydNvW-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/infiniband/core/uverbs_std_types_dmabuf.c:194:1: warning: unused label 'unlock' [-Wunused-label]
     194 | unlock:
         | ^~~~~~~
   1 warning generated.


vim +/unlock +194 drivers/infiniband/core/uverbs_std_types_dmabuf.c

   172	
   173	DECLARE_UVERBS_NAMED_METHOD(
   174		UVERBS_METHOD_DMABUF_ALLOC,
   175		UVERBS_ATTR_FD(UVERBS_ATTR_ALLOC_DMABUF_HANDLE,
   176			       UVERBS_OBJECT_DMABUF,
   177			       UVERBS_ACCESS_NEW,
   178			       UA_MANDATORY),
   179		UVERBS_ATTR_PTR_IN(UVERBS_ATTR_ALLOC_DMABUF_PGOFF,
   180				   UVERBS_ATTR_TYPE(u64),
   181				   UA_MANDATORY));
   182	
   183	static void uverbs_dmabuf_fd_destroy_uobj(struct ib_uobject *uobj,
   184						  enum rdma_remove_reason why)
   185	{
   186		struct ib_uverbs_dmabuf_file *uverbs_dmabuf =
   187			container_of(uobj, struct ib_uverbs_dmabuf_file, uobj);
   188	
   189		mutex_lock(&uverbs_dmabuf->mmap_entry->dmabufs_lock);
   190		if (!uverbs_dmabuf->revoked) {
   191			list_del(&uverbs_dmabuf->dmabufs_elm);
   192			ib_uverbs_dmabuf_revoke(uverbs_dmabuf);
   193		}
 > 194	unlock:
   195		mutex_unlock(&uverbs_dmabuf->mmap_entry->dmabufs_lock);
   196	
   197		/* Matches the get done as part of pgoff_to_mmap_entry() */
   198		rdma_user_mmap_entry_put(uverbs_dmabuf->mmap_entry);
   199	}
   200	

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