Re: [PATCH] crypto/nx: add missing call to of_node_put()

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Hi Yang,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on powerpc/next]
[also build test WARNING on cryptodev/master crypto/master v5.11 next-20210225]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Yang-Li/crypto-nx-add-missing-call-to-of_node_put/20210225-165847
base:   https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
config: powerpc-ppc64_defconfig (attached as .config)
compiler: powerpc64-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/0day-ci/linux/commit/828d2f2854283776f81eabbdb8d2c93441206421
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Yang-Li/crypto-nx-add-missing-call-to-of_node_put/20210225-165847
        git checkout 828d2f2854283776f81eabbdb8d2c93441206421
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

   drivers/crypto/nx/nx-common-powernv.c: In function 'nx_powernv_probe_vas':
>> drivers/crypto/nx/nx-common-powernv.c:935:3: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
     935 |   if (ret)
         |   ^~
   drivers/crypto/nx/nx-common-powernv.c:937:4: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
     937 |    return ret;
         |    ^~~~~~


vim +/if +935 drivers/crypto/nx/nx-common-powernv.c

4aebf3ce26ca212 drivers/crypto/nx/nx-common-powernv.c Haren Myneni        2020-04-17  908  
4aebf3ce26ca212 drivers/crypto/nx/nx-common-powernv.c Haren Myneni        2020-04-17  909  static int __init nx_powernv_probe_vas(struct device_node *pn)
b0d6c9bab5e41d0 drivers/crypto/nx/nx-842-powernv.c    Haren Myneni        2017-08-31  910  {
b0d6c9bab5e41d0 drivers/crypto/nx/nx-842-powernv.c    Haren Myneni        2017-08-31  911  	int chip_id, vasid, ret = 0;
1af11ae225350a9 drivers/crypto/nx/nx-common-powernv.c Haren Myneni        2020-04-17  912  	int ct_842 = 0, ct_gzip = 0;
4aebf3ce26ca212 drivers/crypto/nx/nx-common-powernv.c Haren Myneni        2020-04-17  913  	struct device_node *dn;
b0d6c9bab5e41d0 drivers/crypto/nx/nx-842-powernv.c    Haren Myneni        2017-08-31  914  
b0d6c9bab5e41d0 drivers/crypto/nx/nx-842-powernv.c    Haren Myneni        2017-08-31  915  	chip_id = of_get_ibm_chip_id(pn);
b0d6c9bab5e41d0 drivers/crypto/nx/nx-842-powernv.c    Haren Myneni        2017-08-31  916  	if (chip_id < 0) {
b0d6c9bab5e41d0 drivers/crypto/nx/nx-842-powernv.c    Haren Myneni        2017-08-31  917  		pr_err("ibm,chip-id missing\n");
b0d6c9bab5e41d0 drivers/crypto/nx/nx-842-powernv.c    Haren Myneni        2017-08-31  918  		return -EINVAL;
b0d6c9bab5e41d0 drivers/crypto/nx/nx-842-powernv.c    Haren Myneni        2017-08-31  919  	}
b0d6c9bab5e41d0 drivers/crypto/nx/nx-842-powernv.c    Haren Myneni        2017-08-31  920  
d4ef61b5e8955fb drivers/crypto/nx/nx-842-powernv.c    Sukadev Bhattiprolu 2017-11-07  921  	vasid = chip_to_vas_id(chip_id);
d4ef61b5e8955fb drivers/crypto/nx/nx-842-powernv.c    Sukadev Bhattiprolu 2017-11-07  922  	if (vasid < 0) {
d4ef61b5e8955fb drivers/crypto/nx/nx-842-powernv.c    Sukadev Bhattiprolu 2017-11-07  923  		pr_err("Unable to map chip_id %d to vasid\n", chip_id);
b0d6c9bab5e41d0 drivers/crypto/nx/nx-842-powernv.c    Haren Myneni        2017-08-31  924  		return -EINVAL;
b0d6c9bab5e41d0 drivers/crypto/nx/nx-842-powernv.c    Haren Myneni        2017-08-31  925  	}
b0d6c9bab5e41d0 drivers/crypto/nx/nx-842-powernv.c    Haren Myneni        2017-08-31  926  
b0d6c9bab5e41d0 drivers/crypto/nx/nx-842-powernv.c    Haren Myneni        2017-08-31  927  	for_each_child_of_node(pn, dn) {
4aebf3ce26ca212 drivers/crypto/nx/nx-common-powernv.c Haren Myneni        2020-04-17  928  		ret = find_nx_device_tree(dn, chip_id, vasid, NX_CT_842,
4aebf3ce26ca212 drivers/crypto/nx/nx-common-powernv.c Haren Myneni        2020-04-17  929  					"ibm,p9-nx-842", &ct_842);
1af11ae225350a9 drivers/crypto/nx/nx-common-powernv.c Haren Myneni        2020-04-17  930  
1af11ae225350a9 drivers/crypto/nx/nx-common-powernv.c Haren Myneni        2020-04-17  931  		if (!ret)
1af11ae225350a9 drivers/crypto/nx/nx-common-powernv.c Haren Myneni        2020-04-17  932  			ret = find_nx_device_tree(dn, chip_id, vasid,
1af11ae225350a9 drivers/crypto/nx/nx-common-powernv.c Haren Myneni        2020-04-17  933  				NX_CT_GZIP, "ibm,p9-nx-gzip", &ct_gzip);
1af11ae225350a9 drivers/crypto/nx/nx-common-powernv.c Haren Myneni        2020-04-17  934  
4aebf3ce26ca212 drivers/crypto/nx/nx-common-powernv.c Haren Myneni        2020-04-17 @935  		if (ret)
828d2f285428377 drivers/crypto/nx/nx-common-powernv.c Yang Li             2021-02-25  936  			of_node_put(dn);
b0d6c9bab5e41d0 drivers/crypto/nx/nx-842-powernv.c    Haren Myneni        2017-08-31  937  			return ret;
b0d6c9bab5e41d0 drivers/crypto/nx/nx-842-powernv.c    Haren Myneni        2017-08-31  938  	}
b0d6c9bab5e41d0 drivers/crypto/nx/nx-842-powernv.c    Haren Myneni        2017-08-31  939  
1af11ae225350a9 drivers/crypto/nx/nx-common-powernv.c Haren Myneni        2020-04-17  940  	if (!ct_842 || !ct_gzip) {
1af11ae225350a9 drivers/crypto/nx/nx-common-powernv.c Haren Myneni        2020-04-17  941  		pr_err("NX FIFO nodes are missing\n");
656ecc16e8fc2ab drivers/crypto/nx/nx-842-powernv.c    Haren Myneni        2018-06-13  942  		return -EINVAL;
656ecc16e8fc2ab drivers/crypto/nx/nx-842-powernv.c    Haren Myneni        2018-06-13  943  	}
656ecc16e8fc2ab drivers/crypto/nx/nx-842-powernv.c    Haren Myneni        2018-06-13  944  
656ecc16e8fc2ab drivers/crypto/nx/nx-842-powernv.c    Haren Myneni        2018-06-13  945  	/*
656ecc16e8fc2ab drivers/crypto/nx/nx-842-powernv.c    Haren Myneni        2018-06-13  946  	 * Initialize NX instance for both high and normal priority FIFOs.
656ecc16e8fc2ab drivers/crypto/nx/nx-842-powernv.c    Haren Myneni        2018-06-13  947  	 */
1af11ae225350a9 drivers/crypto/nx/nx-common-powernv.c Haren Myneni        2020-04-17  948  	ret = nx_coproc_init(chip_id, ct_842, ct_gzip);
b0d6c9bab5e41d0 drivers/crypto/nx/nx-842-powernv.c    Haren Myneni        2017-08-31  949  
b0d6c9bab5e41d0 drivers/crypto/nx/nx-842-powernv.c    Haren Myneni        2017-08-31  950  	return ret;
b0d6c9bab5e41d0 drivers/crypto/nx/nx-842-powernv.c    Haren Myneni        2017-08-31  951  }
b0d6c9bab5e41d0 drivers/crypto/nx/nx-842-powernv.c    Haren Myneni        2017-08-31  952  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

Attachment: .config.gz
Description: application/gzip


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