[sashal-stable:pending-6.4 111/141] drivers/infiniband/hw/bnxt_re/qplib_rcfw.c:71:6: warning: variable 'ret' set but not used

[sashal-stable:pending-6.4 111/141] drivers/infiniband/hw/bnxt_re/qplib_rcfw.c:71:6: warning: variable 'ret' set but not used

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git pending-6.4
head:   ade14a1785368ef634f78e4a46ce217f7937b066
commit: 4e26ad911226b36d88aa2bd48a39917a276afdfa [111/141] RDMA/bnxt_re: Enhance the existing functions that wait for FW responses
config: x86_64-randconfig-r011-20230731 (https://download.01.org/0day-ci/archive/20230731/202307310925.KyE2S5zu-lkp@intel.com/config)
compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07)
reproduce: (https://download.01.org/0day-ci/archive/20230731/202307310925.KyE2S5zu-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/202307310925.KyE2S5zu-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/infiniband/hw/bnxt_re/qplib_rcfw.c:71:6: warning: variable 'ret' set but not used [-Wunused-but-set-variable]
           int ret;
               ^
   1 warning generated.


vim +/ret +71 drivers/infiniband/hw/bnxt_re/qplib_rcfw.c

    55	
    56	/**
    57	 * __wait_for_resp   -	Don't hold the cpu context and wait for response
    58	 * @rcfw      -   rcfw channel instance of rdev
    59	 * @cookie    -   cookie to track the command
    60	 *
    61	 * Wait for command completion in sleepable context.
    62	 *
    63	 * Returns:
    64	 * 0 if command is completed by firmware.
    65	 * Non zero error code for rest of the case.
    66	 */
    67	static int __wait_for_resp(struct bnxt_qplib_rcfw *rcfw, u16 cookie)
    68	{
    69		struct bnxt_qplib_cmdq_ctx *cmdq;
    70		u16 cbit;
  > 71		int ret;
    72	
    73		cmdq = &rcfw->cmdq;
    74		cbit = cookie % rcfw->cmdq_depth;
    75	
    76		do {
    77			/* Non zero means command completed */
    78			ret = wait_event_timeout(cmdq->waitq,
    79						 !test_bit(cbit, cmdq->cmdq_bitmap),
    80						 msecs_to_jiffies(10000));
    81	
    82			if (!test_bit(cbit, cmdq->cmdq_bitmap))
    83				return 0;
    84	
    85			bnxt_qplib_service_creq(&rcfw->creq.creq_tasklet);
    86	
    87			if (!test_bit(cbit, cmdq->cmdq_bitmap))
    88				return 0;
    89	
    90		} while (true);
    91	};
    92	

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