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5339e36dffb721fe71b3cfa0b181e07df062bef1
linux/kernel/trace
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Mohamed Khalfella 5339e36dff tracing/histograms: Return an error if we fail to add histogram to hist_vars list 
commit 4b8b390516 upstream.

Commit 6018b585e8 ("tracing/histograms: Add histograms to hist_vars if
they have referenced variables") added a check to fail histogram creation
if save_hist_vars() failed to add histogram to hist_vars list. But the
commit failed to set ret to failed return code before jumping to
unregister histogram, fix it.

Link: https://lore.kernel.org/linux-trace-kernel/20230714203341.51396-1-mkhalfella@purestorage.com

Cc: stable@vger.kernel.org
Fixes: 6018b585e8 ("tracing/histograms: Add histograms to hist_vars if they have referenced variables")
Signed-off-by: Mohamed Khalfella <mkhalfella@purestorage.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-27 08:57:06 +02:00
..
rv
Merge tag 'trace-tools-v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
2023-04-28 16:11:26 -07:00
blktrace.c
block: remove more NULL checks after bdev_get_queue()
2023-02-21 09:23:22 -07:00
bpf_trace.c
bpf: Add extra path pointer check to d_path helper
2023-06-07 15:03:43 +02:00
bpf_trace.h
…
error_report-traces.c
…
fgraph.c
Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
2022-06-03 14:05:34 -07:00
fprobe.c
fprobe: Ensure running fprobe_exit_handler() finished before calling rethook_free()
2023-07-23 13:54:12 +02:00
ftrace_internal.h
…
ftrace.c
ftrace: Fix possible warning on checking all pages used in ftrace_process_locs()
2023-07-23 13:54:10 +02:00
Kconfig
tracing: Unbreak user events
2023-03-29 06:52:09 -04:00
kprobe_event_gen_test.c
tracing: Fix wrong return in kprobe_event_gen_test.c
2023-03-19 12:20:48 -04:00
Makefile
rv: Add Runtime Verification (RV) interface
2022-07-30 14:01:28 -04:00
pid_list.c
tracing: Cleanup double word in comment
2022-04-26 17:58:50 -04:00
pid_list.h
…
power-traces.c
…
preemptirq_delay_test.c
…
rethook.c
fprobe: Ensure running fprobe_exit_handler() finished before calling rethook_free()
2023-07-23 13:54:12 +02:00
ring_buffer_benchmark.c
ring_buffer: Remove unused "event" parameter
2022-11-23 19:08:30 -05:00
ring_buffer.c
ring-buffer: Fix deadloop issue on reading trace_pipe
2023-07-23 13:54:10 +02:00
rpm-traces.c
…
synth_event_gen_test.c
tracing: Always use canonical ftrace path
2023-02-18 14:34:09 -05:00
trace_benchmark.c
tracing: Add numeric delta time to the trace event benchmark
2022-09-26 13:01:09 -04:00
trace_benchmark.h
tracing: Add numeric delta time to the trace event benchmark
2022-09-26 13:01:09 -04:00
trace_boot.c
tracing: Initialize integer variable to prevent garbage return value
2022-05-26 21:13:00 -04:00
trace_branch.c
…
trace_clock.c
…
trace_dynevent.c
tracing: Free buffers when a used dynamic event is removed
2022-11-23 19:07:12 -05:00
trace_dynevent.h
…
trace_entries.h
…
trace_eprobe.c
kernel/trace: Fix cleanup logic of enable_trace_eprobe
2023-07-23 13:53:45 +02:00
trace_event_perf.c
tracing/perf: Use strndup_user instead of kzalloc/strncpy_from_user
2022-11-23 19:08:31 -05:00
trace_events_filter_test.h
…
trace_events_filter.c
tracing: Add a way to filter function addresses to function names
2023-01-25 10:31:11 -05:00
trace_events_hist.c
tracing/histograms: Return an error if we fail to add histogram to hist_vars list
2023-07-27 08:57:06 +02:00
trace_events_inject.c
tracing: Support __rel_loc relative dynamic data location attribute
2021-12-06 15:37:21 -05:00
trace_events_synth.c
tracing/synthetic: Make lastcmd_mutex static
2023-04-06 15:08:18 -04:00
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
tracing/user_events: Fix struct arg size match check
2023-07-23 13:54:14 +02:00
trace_events.c
tracing: Rename stacktrace field to common_stacktrace
2023-05-23 23:38:23 -04:00
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
…
trace_functions.c
…
trace_hwlat.c
tracing/hwlat: Replace sched_setaffinity with set_cpus_allowed_ptr
2023-03-19 13:23:22 -04:00
trace_irqsoff.c
…
trace_kdb.c
…
trace_kprobe_selftest.c
…
trace_kprobe_selftest.h
…
trace_kprobe.c
kernel/trace: extract common part in process_fetch_insn
2023-02-24 10:04:13 +09:00
trace_mmiotrace.c
…
trace_nop.c
…
trace_osnoise.c
tracing/timerlat: Always wakeup the timerlat thread
2023-05-23 11:54:31 -04:00
trace_output.c
tracing: Modify print_fields() for fields output order
2023-06-14 12:41:52 -04:00
trace_output.h
tracing: Add "fields" option to show raw trace event fields
2023-03-29 06:52:08 -04:00
trace_preemptirq.c
cpuidle: tracing, preempt: Squash _rcuidle tracing
2023-01-31 15:01:46 +01:00
trace_printk.c
…
trace_probe_kernel.h
tracing/probes: Fix to record 0-length data_loc in fetch_store_string*() if fails
2023-07-23 13:54:14 +02:00
trace_probe_tmpl.h
tracing/probes: Fix to record 0-length data_loc in fetch_store_string*() if fails
2023-07-23 13:54:14 +02:00
trace_probe.c
Revert "tracing: Add "(fault)" name injection to kernel probes"
2023-07-23 13:54:14 +02:00
trace_probe.h
tracing/probe: trace_probe_primary_from_call(): checked list_first_entry
2023-05-31 18:47:10 +09:00
trace_recursion_record.c
tracing: Use trace_create_file() to simplify creation of tracefs entries
2022-05-26 21:12:52 -04:00
trace_sched_switch.c
sched/tracing: Append prev_state to tp args instead
2022-05-12 00:37:11 +02:00
trace_sched_wakeup.c
sched/tracing: Append prev_state to tp args instead
2022-05-12 00:37:11 +02:00
trace_selftest_dynamic.c
…
trace_selftest.c
tracing: Have function_graph selftest call cond_resched()
2023-05-28 21:15:46 -04:00
trace_seq.c
tracing: Acquire buffer from temparary trace sequence
2023-02-07 12:42:54 -05:00
trace_stack.c
…
trace_stat.c
…
trace_stat.h
…
trace_synth.h
tracing: Allow synthetic events to pass around stacktraces
2023-01-25 10:31:24 -05:00
trace_syscalls.c
tracing: Remove unused __bad_type_size() method
2022-11-17 20:21:06 -05:00
trace_uprobe.c
tracing/probes: Fix to record 0-length data_loc in fetch_store_string*() if fails
2023-07-23 13:54:14 +02:00
trace.c
tracing: Fix null pointer dereference in tracing_err_log_open()
2023-07-23 13:54:12 +02:00
trace.h
Revert "tracing: Add "(fault)" name injection to kernel probes"
2023-07-23 13:54:14 +02:00
tracing_map.c
tracing: Remove unused variable 'dups'
2022-10-03 12:20:31 -04:00
tracing_map.h
…