diff options
| author | Frederic Weisbecker <[email protected]> | 2008-10-22 19:14:55 +0200 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2008-10-27 16:45:46 +0100 |
| commit | f66af459a931f25807e1df7915b2b66bb5978d82 (patch) | |
| tree | bb88917429fe1ea4f6d6e088ead040b25d205a86 /fs/jbd2/commit.c | |
| parent | 5209f08dc8e5f520ca81b87fa9a7142f58a109f4 (diff) | |
tracepoint: check if the probe has been registered
Impact: fix kernel crash that can trigger during tracing
If we try to remove a probe that has not been already registered,
the tracepoint_entry_remove_probe() function will dereference a NULL
pointer.
Check the probe before removing it to avoid crashes.
Signed-off-by: Frederic Weisbecker <[email protected]>
Acked-by: Mathieu Desnoyers <[email protected]>
Acked-by: Steven Rostedt <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'fs/jbd2/commit.c')
0 files changed, 0 insertions, 0 deletions