From: Steven Rostedt <rostedt@goodmis.org>
To: linux-kernel@vger.kernel.org
Cc: Ingo Molnar <mingo@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
stable@vger.kernel.org,
"Masami Hiramatsu (Google)" <mhiramat@kernel.org>,
Gautam Menghani <gautammenghani201@gmail.com>
Subject: [for-next][PATCH 16/23] tracing: Initialize integer variable to prevent garbage return value
Date: Fri, 27 May 2022 22:50:44 -0400 [thread overview]
Message-ID: <20220528025251.580898616@goodmis.org> (raw)
In-Reply-To: 20220528025028.850906216@goodmis.org
From: Gautam Menghani <gautammenghani201@gmail.com>
Initialize the integer variable to 0 to fix the clang scan warning:
Undefined or garbage value returned to caller
[core.uninitialized.UndefReturn]
return ret;
Link: https://lkml.kernel.org/r/20220522061826.1751-1-gautammenghani201@gmail.com
Cc: stable@vger.kernel.org
Fixes: 8993665abcce ("tracing/boot: Support multiple handlers for per-event histogram")
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Gautam Menghani <gautammenghani201@gmail.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
---
kernel/trace/trace_boot.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/trace/trace_boot.c b/kernel/trace/trace_boot.c
index 0580287d7a0d..778200dd8ede 100644
--- a/kernel/trace/trace_boot.c
+++ b/kernel/trace/trace_boot.c
@@ -300,7 +300,7 @@ trace_boot_hist_add_handlers(struct xbc_node *hnode, char **bufp,
{
struct xbc_node *node;
const char *p, *handler;
- int ret;
+ int ret = 0;
handler = xbc_node_get_data(hnode);
--
2.35.1
next prev parent reply other threads:[~2022-05-28 2:53 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-28 2:50 [for-next][PATCH 00/23] tracing: Last minute fixes and updates for 5.19 Steven Rostedt
2022-05-28 2:50 ` [for-next][PATCH 01/23] tracing: Have event format check not flag %p* on __get_dynamic_array() Steven Rostedt
2022-05-28 2:50 ` [for-next][PATCH 02/23] tracing: Reset the function filter after completing trampoline/graph selftest Steven Rostedt
2022-05-28 2:50 ` [for-next][PATCH 03/23] tracing: Use trace_create_file() to simplify creation of tracefs entries Steven Rostedt
2022-05-28 2:50 ` [for-next][PATCH 04/23] ftrace: Deal with error return code of the ftrace_process_locs() function Steven Rostedt
2022-05-28 2:50 ` [for-next][PATCH 05/23] tracing: Use strim() to remove whitespace instead of doing it manually Steven Rostedt
2022-05-28 2:50 ` [for-next][PATCH 06/23] tracing: Fix potential double free in create_var_ref() Steven Rostedt
2022-05-28 2:50 ` [for-next][PATCH 07/23] tracing: Fix return value of trace_pid_write() Steven Rostedt
2022-05-28 2:50 ` [for-next][PATCH 09/23] tracing/timerlat: Notify IRQ new max latency only if stop tracing is set Steven Rostedt
2022-05-28 2:50 ` [for-next][PATCH 10/23] tracing/timerlat: Print stacktrace in the IRQ handler if needed Steven Rostedt
2022-05-28 2:50 ` [for-next][PATCH 11/23] tracing/timerlat: Do not wakeup the thread if the trace stops at the IRQ Steven Rostedt
2022-05-28 2:50 ` [for-next][PATCH 12/23] tracing: Change "char *" string form to "char []" Steven Rostedt
2022-05-28 2:50 ` [for-next][PATCH 13/23] tracing: Cleanup code by removing init "char *name" Steven Rostedt
2022-05-28 2:50 ` [for-next][PATCH 14/23] ftrace: Remove return value of ftrace_arch_modify_*() Steven Rostedt
2022-05-28 2:50 ` [for-next][PATCH 15/23] ftrace: Fix typo in comment Steven Rostedt
2022-05-28 2:50 ` Steven Rostedt [this message]
2022-05-28 2:50 ` [for-next][PATCH 17/23] tracing: Disable kcov on trace_preemptirq.c Steven Rostedt
2022-05-28 2:50 ` [for-next][PATCH 18/23] tracing: Fix comments of create_filter() Steven Rostedt
2022-05-28 2:50 ` [for-next][PATCH 19/23] ftrace: Clean up hash direct_functions on register failures Steven Rostedt
2022-05-28 2:50 ` [for-next][PATCH 20/23] x86,tracing: Remove unused headers Steven Rostedt
2022-05-28 2:50 ` [for-next][PATCH 21/23] x86/traceponit: Fix comment about irq vector tracepoints Steven Rostedt
2022-05-28 2:50 ` [for-next][PATCH 22/23] tracing: Fix comments for event_trigger_separate_filter() Steven Rostedt
2022-05-28 2:50 ` [for-next][PATCH 23/23] ftrace: Add FTRACE_MCOUNT_MAX_OFFSET to avoid adding weak function Steven Rostedt
2022-05-28 3:17 ` [for-next][PATCH 00/23] tracing: Last minute fixes and updates for 5.19 Steven Rostedt
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