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* fs/smb/server/oplock.c:1000 find_same_lease_key() warn: missing error code 'err'
@ 2023-10-11  2:26 kernel test robot
  0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2023-10-11  2:26 UTC (permalink / raw)
  To: oe-kbuild; +Cc: lkp, Dan Carpenter

BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
CC: linux-kernel@vger.kernel.org
TO: Steve French <stfrench@microsoft.com>

Hi Steve,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   1c8b86a3799f7e5be903c3f49fcdaee29fd385b5
commit: 38c8a9a52082579090e34c033d439ed2cd1a462d smb: move client and server files to common directory fs/smb
date:   5 months ago
:::::: branch date: 8 hours ago
:::::: commit date: 5 months ago
config: i386-randconfig-141-20231010 (https://download.01.org/0day-ci/archive/20231011/202310111052.j4RLfmsd-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce: (https://download.01.org/0day-ci/archive/20231011/202310111052.j4RLfmsd-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>
| Reported-by: Dan Carpenter <error27@gmail.com>
| Closes: https://lore.kernel.org/r/202310111052.j4RLfmsd-lkp@intel.com/

smatch warnings:
fs/smb/server/oplock.c:1000 find_same_lease_key() warn: missing error code 'err'

vim +/err +1000 fs/smb/server/oplock.c

e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16   967  
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16   968  int find_same_lease_key(struct ksmbd_session *sess, struct ksmbd_inode *ci,
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16   969  			struct lease_ctx_info *lctx)
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16   970  {
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16   971  	struct oplock_info *opinfo;
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16   972  	int err = 0;
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16   973  	struct lease_table *lb;
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16   974  
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16   975  	if (!lctx)
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16   976  		return err;
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16   977  
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16   978  	read_lock(&lease_list_lock);
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16   979  	if (list_empty(&lease_table_list)) {
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16   980  		read_unlock(&lease_list_lock);
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16   981  		return 0;
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16   982  	}
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16   983  
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16   984  	list_for_each_entry(lb, &lease_table_list, l_entry) {
af7c39d971e43cd0 fs/ksmbd/oplock.c Namjae Jeon 2022-07-25   985  		if (!memcmp(lb->client_guid, sess->ClientGUID,
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16   986  			    SMB2_CLIENT_GUID_SIZE))
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16   987  			goto found;
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16   988  	}
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16   989  	read_unlock(&lease_list_lock);
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16   990  
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16   991  	return 0;
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16   992  
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16   993  found:
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16   994  	rcu_read_lock();
070fb21e5912b6aa fs/cifsd/oplock.c Namjae Jeon 2021-05-26   995  	list_for_each_entry_rcu(opinfo, &lb->lease_list, lease_entry) {
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16   996  		if (!atomic_inc_not_zero(&opinfo->refcount))
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16   997  			continue;
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16   998  		rcu_read_unlock();
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16   999  		if (opinfo->o_fp->f_ci == ci)
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16 @1000  			goto op_next;
af7c39d971e43cd0 fs/ksmbd/oplock.c Namjae Jeon 2022-07-25  1001  		err = compare_guid_key(opinfo, sess->ClientGUID,
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16  1002  				       lctx->lease_key);
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16  1003  		if (err) {
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16  1004  			err = -EINVAL;
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16  1005  			ksmbd_debug(OPLOCK,
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16  1006  				    "found same lease key is already used in other files\n");
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16  1007  			opinfo_put(opinfo);
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16  1008  			goto out;
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16  1009  		}
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16  1010  op_next:
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16  1011  		opinfo_put(opinfo);
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16  1012  		rcu_read_lock();
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16  1013  	}
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16  1014  	rcu_read_unlock();
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16  1015  
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16  1016  out:
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16  1017  	read_unlock(&lease_list_lock);
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16  1018  	return err;
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16  1019  }
e2f34481b24db2fd fs/cifsd/oplock.c Namjae Jeon 2021-03-16  1020  

:::::: The code at line 1000 was first introduced by commit
:::::: e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 cifsd: add server-side procedures for SMB3

:::::: TO: Namjae Jeon <namjae.jeon@samsung.com>
:::::: CC: Steve French <stfrench@microsoft.com>

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

^ permalink raw reply	[flat|nested] 2+ messages in thread

* fs/smb/server/oplock.c:1000 find_same_lease_key() warn: missing error code 'err'
@ 2024-11-26  9:40 kernel test robot
  0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2024-11-26  9:40 UTC (permalink / raw)
  To: oe-kbuild; +Cc: lkp, Dan Carpenter

BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
CC: linux-kernel@vger.kernel.org
TO: Steve French <stfrench@microsoft.com>

Hi Steve,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   7eef7e306d3c40a0c5b9ff6adc9b273cc894dbd5
commit: 38c8a9a52082579090e34c033d439ed2cd1a462d smb: move client and server files to common directory fs/smb
date:   1 year, 6 months ago
:::::: branch date: 7 hours ago
:::::: commit date: 1 year, 6 months ago
config: x86_64-randconfig-161-20241120 (https://download.01.org/0day-ci/archive/20241126/202411261753.E6AvIsTJ-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0

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>
| Reported-by: Dan Carpenter <error27@gmail.com>
| Closes: https://lore.kernel.org/r/202411261753.E6AvIsTJ-lkp@intel.com/

smatch warnings:
fs/smb/server/oplock.c:1000 find_same_lease_key() warn: missing error code 'err'

vim +/err +1000 fs/smb/server/oplock.c

e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16   967  
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16   968  int find_same_lease_key(struct ksmbd_session *sess, struct ksmbd_inode *ci,
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16   969  			struct lease_ctx_info *lctx)
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16   970  {
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16   971  	struct oplock_info *opinfo;
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16   972  	int err = 0;
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16   973  	struct lease_table *lb;
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16   974  
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16   975  	if (!lctx)
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16   976  		return err;
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16   977  
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16   978  	read_lock(&lease_list_lock);
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16   979  	if (list_empty(&lease_table_list)) {
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16   980  		read_unlock(&lease_list_lock);
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16   981  		return 0;
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16   982  	}
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16   983  
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16   984  	list_for_each_entry(lb, &lease_table_list, l_entry) {
af7c39d971e43c fs/ksmbd/oplock.c Namjae Jeon 2022-07-25   985  		if (!memcmp(lb->client_guid, sess->ClientGUID,
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16   986  			    SMB2_CLIENT_GUID_SIZE))
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16   987  			goto found;
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16   988  	}
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16   989  	read_unlock(&lease_list_lock);
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16   990  
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16   991  	return 0;
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16   992  
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16   993  found:
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16   994  	rcu_read_lock();
070fb21e5912b6 fs/cifsd/oplock.c Namjae Jeon 2021-05-26   995  	list_for_each_entry_rcu(opinfo, &lb->lease_list, lease_entry) {
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16   996  		if (!atomic_inc_not_zero(&opinfo->refcount))
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16   997  			continue;
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16   998  		rcu_read_unlock();
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16   999  		if (opinfo->o_fp->f_ci == ci)
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16 @1000  			goto op_next;
af7c39d971e43c fs/ksmbd/oplock.c Namjae Jeon 2022-07-25  1001  		err = compare_guid_key(opinfo, sess->ClientGUID,
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16  1002  				       lctx->lease_key);
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16  1003  		if (err) {
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16  1004  			err = -EINVAL;
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16  1005  			ksmbd_debug(OPLOCK,
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16  1006  				    "found same lease key is already used in other files\n");
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16  1007  			opinfo_put(opinfo);
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16  1008  			goto out;
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16  1009  		}
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16  1010  op_next:
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16  1011  		opinfo_put(opinfo);
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16  1012  		rcu_read_lock();
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16  1013  	}
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16  1014  	rcu_read_unlock();
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16  1015  
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16  1016  out:
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16  1017  	read_unlock(&lease_list_lock);
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16  1018  	return err;
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16  1019  }
e2f34481b24db2 fs/cifsd/oplock.c Namjae Jeon 2021-03-16  1020  

:::::: The code at line 1000 was first introduced by commit
:::::: e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 cifsd: add server-side procedures for SMB3

:::::: TO: Namjae Jeon <namjae.jeon@samsung.com>
:::::: CC: Steve French <stfrench@microsoft.com>

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2024-11-26  9:41 UTC | newest]

Thread overview: 2+ messages (download: mbox.gz follow: Atom feed
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2024-11-26  9:40 fs/smb/server/oplock.c:1000 find_same_lease_key() warn: missing error code 'err' kernel test robot
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