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tracing: Initialize integer variable to prevent garbage return value

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commit 154827f8e5 upstream.

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: 8993665abc ("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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Gautam Menghani
2022-05-21 23:18:26 -07:00
committed by Greg Kroah-Hartman
parent 37443b3508
commit 4ef5ab5344
1 changed files with 1 additions and 1 deletions
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2
kernel/trace/trace_boot.c
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@@ -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);