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Gustavo A. R. Silva 10f129cb59 tracing/kprobe: Fix uninitialized variable bug 
There is a potential execution path in which variable *ret* is returned
without being properly initialized, previously.

Fix this by initializing variable *ret* to 0.

Link: http://lkml.kernel.org/r/20200205223404.GA3379@embeddedor

Addresses-Coverity-ID: 1491142 ("Uninitialized scalar variable")
Fixes: 2a588dd1d5d6 ("tracing: Add kprobe event command generation functions")
Reviewed-by: Tom Zanussi <zanussi@kernel.org>
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
2020-02-10 12:07:42 -05:00
..
blktrace.c
tracing: Make struct ring_buffer less ambiguous
2020-01-13 13:19:38 -05:00
bpf_trace.c
Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2019-12-03 09:29:50 -08:00
fgraph.c
tracing: Define MCOUNT_INSN_SIZE when not defined without direct calls
2020-01-02 21:56:44 -05:00
ftrace_internal.h
treewide: Rename rcu_dereference_raw_notrace() to _check()
2019-08-01 14:16:21 -07:00
ftrace.c
ftrace: Protect ftrace_graph_hash with ftrace_sync
2020-02-05 17:16:42 -05:00
Kconfig
tracing: Move tracing selftests to bottom of menu
2020-01-30 09:46:29 -05:00
kprobe_event_gen_test.c
tracing: Add kprobe event command generation test module
2020-01-30 09:46:28 -05:00
Makefile
tracing: Add kprobe event command generation test module
2020-01-30 09:46:28 -05:00
power-traces.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
preemptirq_delay_test.c
preemptirq_delay_test: Add the burst feature and a sysfs trigger
2019-11-13 09:37:28 -05:00
ring_buffer_benchmark.c
tracing: Make struct ring_buffer less ambiguous
2020-01-13 13:19:38 -05:00
ring_buffer.c
ring-buffer: Remove abandoned macro RB_MISSED_FLAGS
2020-01-21 18:38:02 -05:00
rpm-traces.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
synth_event_gen_test.c
tracing: Add synth event generation test module
2020-01-30 09:46:28 -05:00
trace_benchmark.c
trace: Use pr_warn instead of pr_warning
2019-10-18 15:01:57 +02:00
trace_benchmark.h
tracing: Fix SPDX format headers to use C++ style comments
2018-08-16 19:08:06 -04:00
trace_boot.c
tracing: Change trace_boot to use synth_event interface
2020-01-31 12:59:26 -05:00
trace_branch.c
tracing: Make struct ring_buffer less ambiguous
2020-01-13 13:19:38 -05:00
trace_clock.c
tracing: Add SPDX License format tags to tracing files
2018-08-16 19:08:06 -04:00
trace_dynevent.c
tracing: Use seq_buf for building dynevent_cmd string
2020-02-01 13:10:15 -05:00
trace_dynevent.h
tracing: Remove check_arg() callbacks from dynevent args
2020-02-01 13:09:23 -05:00
trace_entries.h
tracing: Set kernel_stack's caller size properly
2020-01-24 18:09:40 -05:00
trace_event_perf.c
Merge branch 'perf/urgent' into perf/core, to pick up fixes
2019-10-28 12:38:26 +01:00
trace_events_filter_test.h
tracing: Fix SPDX format headers to use C++ style comments
2018-08-16 19:08:06 -04:00
trace_events_filter.c
tracing: Avoid memory leak in process_system_preds()
2019-12-19 18:24:17 -05:00
trace_events_hist.c
tracing: Use seq_buf for building dynevent_cmd string
2020-02-01 13:10:15 -05:00
trace_events_inject.c
tracing: Initialize val to zero in parse_entry of inject code
2020-01-02 19:04:57 -05:00
trace_events_trigger.c
trigger_next should increase position index
2020-01-30 09:46:27 -05:00
trace_events.c
tracing: Add trace_get/put_event_file()
2020-01-30 09:46:28 -05:00
trace_export.c
tracing: Make internal ftrace events static
2019-11-13 09:37:29 -05:00
trace_functions_graph.c
tracing: Make struct ring_buffer less ambiguous
2020-01-13 13:19:38 -05:00
trace_functions.c
tracing: Rename trace_buffer to array_buffer
2020-01-13 13:19:38 -05:00
trace_hwlat.c
tracing: Make struct ring_buffer less ambiguous
2020-01-13 13:19:38 -05:00
trace_irqsoff.c
tracing: Rename trace_buffer to array_buffer
2020-01-13 13:19:38 -05:00
trace_kdb.c
tracing: Rename trace_buffer to array_buffer
2020-01-13 13:19:38 -05:00
trace_kprobe_selftest.c
selftest/ftrace: Move kprobe selftest function to separate compile unit
2018-07-30 18:41:04 -04:00
trace_kprobe_selftest.h
tracing: Fix SPDX format headers to use C++ style comments
2018-08-16 19:08:06 -04:00
trace_kprobe.c
tracing/kprobe: Fix uninitialized variable bug
2020-02-10 12:07:42 -05:00
trace_mmiotrace.c
tracing: Make struct ring_buffer less ambiguous
2020-01-13 13:19:38 -05:00
trace_nop.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
trace_output.c
tracing: Rename trace_buffer to array_buffer
2020-01-13 13:19:38 -05:00
trace_output.h
tracing: Fix SPDX format headers to use C++ style comments
2018-08-16 19:08:06 -04:00
trace_preemptirq.c
kprobes: Prohibit probing on hardirq tracers
2019-02-13 08:16:40 +01:00
trace_printk.c
tracing: Add locked_down checks to the open calls of files created for tracefs
2019-10-12 20:48:06 -04:00
trace_probe_tmpl.h
tracing/probe: Support user-space dereference
2019-05-25 23:04:42 -04:00
trace_probe.c
tracing/probe: Fix to check the difference of nr_args before adding probe
2019-09-28 17:07:53 -04:00
trace_probe.h
tracing/probe: Reject exactly same probe event
2019-09-19 11:09:16 -04:00
trace_sched_switch.c
tracing: Fix sched switch start/stop refcount racy updates
2020-01-30 09:46:10 -05:00
trace_sched_wakeup.c
tracing: Make struct ring_buffer less ambiguous
2020-01-13 13:19:38 -05:00
trace_selftest_dynamic.c
ftrace: Mark function tracer test functions noinline/noclone
2018-01-23 15:57:29 -05:00
trace_selftest.c
tracing: Rename trace_buffer to array_buffer
2020-01-13 13:19:38 -05:00
trace_seq.c
tracing: Remove unused TRACE_SEQ_BUF_USED
2020-01-21 18:39:54 -05:00
trace_stack.c
tracing: Have stack tracer compile when MCOUNT_INSN_SIZE is not defined
2020-01-02 22:04:07 -05:00
trace_stat.c
tracing: Fix tracing_stat return values in error handling paths
2020-01-24 18:06:48 -05:00
trace_stat.h
tracing: Use generic type for comparator function
2019-11-14 13:15:11 -05:00
trace_syscalls.c
tracing: Make struct ring_buffer less ambiguous
2020-01-13 13:19:38 -05:00
trace_uprobe.c
tracing: Make struct ring_buffer less ambiguous
2020-01-13 13:19:38 -05:00
trace.c
tracing: Add trace_array_find/_get() to find instance trace arrays
2020-01-30 09:46:27 -05:00
trace.h
ftrace: Protect ftrace_graph_hash with ftrace_sync
2020-02-05 17:16:42 -05:00
tracing_map.c
tracing: Have the histogram compare functions convert to u64 first
2019-12-19 18:26:00 -05:00
tracing_map.h
tracing: Fix SPDX format headers to use C++ style comments
2018-08-16 19:08:06 -04:00