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authorFrederic Weisbecker <fweisbec@gmail.com>2008-10-22 19:14:55 +0200
committerIngo Molnar <mingo@elte.hu>2008-10-27 16:45:46 +0100
commitf66af459a931f25807e1df7915b2b66bb5978d82 (patch)
treebb88917429fe1ea4f6d6e088ead040b25d205a86 /kernel/trace/Kconfig
parent5209f08dc8e5f520ca81b87fa9a7142f58a109f4 (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 <fweisbec@gmail.com> Acked-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Acked-by: Steven Rostedt <srostedt@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/trace/Kconfig')
0 files changed, 0 insertions, 0 deletions