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Greg Kroah-Hartman 5286b72fb4 trace/blktrace: fix memory leak with using debugfs_lookup() 
[ Upstream commit 83e8864fee ]

When calling debugfs_lookup() the result must have dput() called on it,
otherwise the memory will leak over time.  To make things simpler, just
call debugfs_lookup_and_remove() instead which handles all of the logic
at once.

Cc: Jens Axboe <axboe@kernel.dk>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: linux-block@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-trace-kernel@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20230202141956.2299521-1-gregkh@linuxfoundation.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-03-10 09:29:06 +01:00
..
rv
rv: remove redundant initialization of pointer ptr
2023-01-25 10:31:02 -05:00
blktrace.c
trace/blktrace: fix memory leak with using debugfs_lookup()
2023-03-10 09:29:06 +01:00
bpf_trace.c
bpf: Fix a possible task gone issue with bpf_send_signal[_thread]() helpers
2023-01-18 18:44:16 -08:00
bpf_trace.h
…
error_report-traces.c
…
fgraph.c
…
fprobe.c
…
ftrace_internal.h
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ftrace.c
ftrace: Export ftrace_free_filter() to modules
2023-01-24 11:20:58 -05:00
Kconfig
tracing: Kconfig: Fix spelling/grammar/punctuation
2023-01-24 13:22:38 -05:00
kprobe_event_gen_test.c
…
Makefile
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pid_list.c
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pid_list.h
…
power-traces.c
…
preemptirq_delay_test.c
…
rethook.c
…
ring_buffer_benchmark.c
…
ring_buffer.c
ring-buffer: Handle resize in early boot up
2022-12-10 13:36:04 -05:00
rpm-traces.c
…
synth_event_gen_test.c
…
trace_benchmark.c
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trace_benchmark.h
…
trace_boot.c
…
trace_branch.c
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trace_clock.c
…
trace_dynevent.c
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trace_dynevent.h
…
trace_entries.h
…
trace_eprobe.c
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trace_event_perf.c
…
trace_events_filter_test.h
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trace_events_filter.c
tracing/filter: fix kernel-doc warnings
2023-01-25 10:28:13 -05:00
trace_events_hist.c
trace_events_hist: add check for return value of 'create_hist_field'
2023-01-24 18:19:36 -05:00
trace_events_inject.c
…
trace_events_synth.c
tracing: Fix issue of missing one synthetic field
2022-12-10 13:36:04 -05:00
trace_events_trigger.c
tracing: Do not synchronize freeing of trigger filter on boot up
2022-12-14 08:50:56 -05:00
trace_events_user.c
Merge tag 'trace-v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
2022-12-15 18:01:16 -08:00
trace_events.c
tracing: Make trace_define_field_ext() static
2023-02-12 20:14:11 -05:00
trace_export.c
tracing: Fix TASK_COMM_LEN in trace event format file
2023-02-12 10:23:39 -05:00
trace_functions_graph.c
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trace_functions.c
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trace_hwlat.c
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trace_irqsoff.c
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trace_kdb.c
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trace_kprobe_selftest.c
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trace_kprobe_selftest.h
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trace_kprobe.c
trace/kprobe: remove duplicated calls of ring_buffer_event_data
2022-12-09 23:48:05 -05:00
trace_mmiotrace.c
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trace_nop.c
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trace_osnoise.c
tracing/osnoise: Use built-in RCU list checking
2023-01-24 18:11:41 -05:00
trace_output.c
tracing: Make sure trace_printk() can output as soon as it can be used
2023-01-24 11:27:29 -05:00
trace_output.h
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trace_preemptirq.c
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trace_printk.c
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trace_probe_kernel.h
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trace_probe_tmpl.h
tracing/probes: Add symstr type for dynamic events
2022-12-15 08:48:57 +09:00
trace_probe.c
Merge tag 'trace-probes-v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
2022-12-21 18:57:24 -08:00
trace_probe.h
tracing/probes: Reject symbol/symstr type for uprobe
2022-12-15 09:00:20 +09:00
trace_recursion_record.c
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trace_sched_switch.c
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trace_sched_wakeup.c
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trace_selftest_dynamic.c
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trace_selftest.c
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trace_seq.c
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trace_stack.c
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trace_stat.c
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trace_stat.h
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trace_synth.h
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trace_syscalls.c
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trace_uprobe.c
tracing/probes: Reject symbol/symstr type for uprobe
2022-12-15 09:00:20 +09:00
trace.c
tracing: Fix poll() and select() do not work on per_cpu trace_pipe and trace_pipe_raw
2023-02-02 16:15:53 -05:00
trace.h
tracing: Fix TASK_COMM_LEN in trace event format file
2023-02-12 10:23:39 -05:00
tracing_map.c
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tracing_map.h
…