Re: [PATCH] sunrpc: Use no_printk() in dfprintk*() dummies

From: kernel test robot
Date: Thu Oct 12 2023 - 06:59:54 EST


Hi Geert,

kernel test robot noticed the following build warnings:

[auto build test WARNING on trondmy-nfs/linux-next]
[also build test WARNING on linus/master v6.6-rc5 next-20231012]
[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#_base_tree_information]

url: https://github.com/intel-lab-lkp/linux/commits/Geert-Uytterhoeven/sunrpc-Use-no_printk-in-dfprintk-dummies/20231011-181013
base: git://git.linux-nfs.org/projects/trondmy/linux-nfs.git linux-next
patch link: https://lore.kernel.org/r/707e5e6dd0db9a663cf443564d1f8ee1c10a0086.1697018818.git.geert%2Brenesas%40glider.be
patch subject: [PATCH] sunrpc: Use no_printk() in dfprintk*() dummies
config: powerpc-ebony_defconfig (https://download.01.org/0day-ci/archive/20231012/202310121849.fnsB0A2T-lkp@xxxxxxxxx/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231012/202310121849.fnsB0A2T-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202310121849.fnsB0A2T-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

fs/lockd/svclock.c:164:5: error: call to undeclared function 'nlmdbg_cookie2a'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
164 | nlmdbg_cookie2a(&block->b_call->a_args.cookie));
| ^
>> fs/lockd/svclock.c:164:5: warning: format specifies type 'char *' but the argument has type 'int' [-Wformat]
164 | dprintk("lockd: check f=%p pd=%d %Ld-%Ld ty=%d cookie=%s\n",
| ~~
| %d
165 | block->b_file, fl->fl_pid,
166 | (long long)fl->fl_start,
167 | (long long)fl->fl_end, fl->fl_type,
168 | nlmdbg_cookie2a(&block->b_call->a_args.cookie));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/sunrpc/debug.h:25:28: note: expanded from macro 'dprintk'
25 | dfprintk(FACILITY, fmt, ##__VA_ARGS__)
| ~~~ ^~~~~~~~~~~
include/linux/sunrpc/debug.h:70:51: note: expanded from macro 'dfprintk'
70 | # define dfprintk(fac, fmt, ...) no_printk(fmt, ##__VA_ARGS__)
| ~~~ ^~~~~~~~~~~
include/linux/printk.h:129:17: note: expanded from macro 'no_printk'
129 | printk(fmt, ##__VA_ARGS__); \
| ~~~ ^~~~~~~~~~~
include/linux/printk.h:455:60: note: expanded from macro 'printk'
455 | #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__)
| ~~~ ^~~~~~~~~~~
include/linux/printk.h:427:19: note: expanded from macro 'printk_index_wrap'
427 | _p_func(_fmt, ##__VA_ARGS__); \
| ~~~~ ^~~~~~~~~~~
fs/lockd/svclock.c:203:47: error: call to undeclared function 'nlmdbg_cookie2a'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
203 | dprintk("nlmsvc_find_block(%s): block=%p\n", nlmdbg_cookie2a(cookie), block);
| ^
fs/lockd/svclock.c:203:47: warning: format specifies type 'char *' but the argument has type 'int' [-Wformat]
203 | dprintk("nlmsvc_find_block(%s): block=%p\n", nlmdbg_cookie2a(cookie), block);
| ~~ ^~~~~~~~~~~~~~~~~~~~~~~
| %d
include/linux/sunrpc/debug.h:25:28: note: expanded from macro 'dprintk'
25 | dfprintk(FACILITY, fmt, ##__VA_ARGS__)
| ~~~ ^~~~~~~~~~~
include/linux/sunrpc/debug.h:70:51: note: expanded from macro 'dfprintk'
70 | # define dfprintk(fac, fmt, ...) no_printk(fmt, ##__VA_ARGS__)
| ~~~ ^~~~~~~~~~~
include/linux/printk.h:129:17: note: expanded from macro 'no_printk'
129 | printk(fmt, ##__VA_ARGS__); \
| ~~~ ^~~~~~~~~~~
include/linux/printk.h:455:60: note: expanded from macro 'printk'
455 | #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__)
| ~~~ ^~~~~~~~~~~
include/linux/printk.h:427:19: note: expanded from macro 'printk_index_wrap'
427 | _p_func(_fmt, ##__VA_ARGS__); \
| ~~~~ ^~~~~~~~~~~
fs/lockd/svclock.c:494:5: error: use of undeclared identifier 'inode'
494 | inode->i_sb->s_id, inode->i_ino,
| ^
fs/lockd/svclock.c:494:24: error: use of undeclared identifier 'inode'
494 | inode->i_sb->s_id, inode->i_ino,
| ^
2 warnings and 4 errors generated.


vim +164 fs/lockd/svclock.c

^1da177e4c3f41 Linus Torvalds 2005-04-16 143
^1da177e4c3f41 Linus Torvalds 2005-04-16 144 /*
d9f6eb75d49007 Trond Myklebust 2006-03-20 145 * Find a block for a given lock
^1da177e4c3f41 Linus Torvalds 2005-04-16 146 */
^1da177e4c3f41 Linus Torvalds 2005-04-16 147 static struct nlm_block *
d9f6eb75d49007 Trond Myklebust 2006-03-20 148 nlmsvc_lookup_block(struct nlm_file *file, struct nlm_lock *lock)
^1da177e4c3f41 Linus Torvalds 2005-04-16 149 {
68a2d76cea4234 Olaf Kirch 2006-10-04 150 struct nlm_block *block;
^1da177e4c3f41 Linus Torvalds 2005-04-16 151 struct file_lock *fl;
^1da177e4c3f41 Linus Torvalds 2005-04-16 152
^1da177e4c3f41 Linus Torvalds 2005-04-16 153 dprintk("lockd: nlmsvc_lookup_block f=%p pd=%d %Ld-%Ld ty=%d\n",
^1da177e4c3f41 Linus Torvalds 2005-04-16 154 file, lock->fl.fl_pid,
^1da177e4c3f41 Linus Torvalds 2005-04-16 155 (long long)lock->fl.fl_start,
^1da177e4c3f41 Linus Torvalds 2005-04-16 156 (long long)lock->fl.fl_end, lock->fl.fl_type);
be2be5f7f44364 Alexander Aring 2023-07-20 157 spin_lock(&nlm_blocked_lock);
68a2d76cea4234 Olaf Kirch 2006-10-04 158 list_for_each_entry(block, &nlm_blocked, b_list) {
92737230dd3f14 Trond Myklebust 2006-03-20 159 fl = &block->b_call->a_args.lock.fl;
^1da177e4c3f41 Linus Torvalds 2005-04-16 160 dprintk("lockd: check f=%p pd=%d %Ld-%Ld ty=%d cookie=%s\n",
^1da177e4c3f41 Linus Torvalds 2005-04-16 161 block->b_file, fl->fl_pid,
^1da177e4c3f41 Linus Torvalds 2005-04-16 162 (long long)fl->fl_start,
^1da177e4c3f41 Linus Torvalds 2005-04-16 163 (long long)fl->fl_end, fl->fl_type,
92737230dd3f14 Trond Myklebust 2006-03-20 @164 nlmdbg_cookie2a(&block->b_call->a_args.cookie));
^1da177e4c3f41 Linus Torvalds 2005-04-16 165 if (block->b_file == file && nlm_compare_locks(fl, &lock->fl)) {
6849c0cab69f5d Trond Myklebust 2006-03-20 166 kref_get(&block->b_count);
be2be5f7f44364 Alexander Aring 2023-07-20 167 spin_unlock(&nlm_blocked_lock);
^1da177e4c3f41 Linus Torvalds 2005-04-16 168 return block;
^1da177e4c3f41 Linus Torvalds 2005-04-16 169 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 170 }
be2be5f7f44364 Alexander Aring 2023-07-20 171 spin_unlock(&nlm_blocked_lock);
^1da177e4c3f41 Linus Torvalds 2005-04-16 172
^1da177e4c3f41 Linus Torvalds 2005-04-16 173 return NULL;
^1da177e4c3f41 Linus Torvalds 2005-04-16 174 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 175

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