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| author | Rabin Vincent <rabin@rab.in> | 2008-08-11 09:30:26 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-08-11 09:30:26 +0200 |
| commit | 8bfe0298f7a04952d19f4a2cf510d7a6311eeed0 (patch) | |
| tree | f90c216c26c0d73128a713d5142ccaefa2dce353 /kernel/lockdep_proc.c | |
| parent | mm: fix mm_take_all_locks() locking order (diff) | |
| download | linux-8bfe0298f7a04952d19f4a2cf510d7a6311eeed0.tar.xz linux-8bfe0298f7a04952d19f4a2cf510d7a6311eeed0.zip | |
lockdep: handle chains involving classes defined in modules
Solve this by marking the classes as unused and not printing information
about the unused classes.
Reported-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: Rabin Vincent <rabin@rab.in>
Acked-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/lockdep_proc.c')
| -rw-r--r-- | kernel/lockdep_proc.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/lockdep_proc.c b/kernel/lockdep_proc.c index 6252ff799d19..fa19aee604c2 100644 --- a/kernel/lockdep_proc.c +++ b/kernel/lockdep_proc.c @@ -201,6 +201,9 @@ static int lc_show(struct seq_file *m, void *v) for (i = 0; i < chain->depth; i++) { class = lock_chain_get_class(chain, i); + if (!class->key) + continue; + seq_printf(m, "[%p] ", class->key); print_name(m, class); seq_puts(m, "\n"); |