github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-29 17:43:52 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

perf debug: Avoid stack overflow in recursive error message

Browse Source 
In debug_file, pr_warning_once is called on error. As that function
calls debug_file the function will yield a stack overflow. Switch the
location of the call so the recursion is avoided.

Reviewed-by: Howard Chu <howardchu95@gmail.com>
Signed-off-by: Ian Rogers <irogers@google.com>
Reviewed-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Link: https://lore.kernel.org/r/20250228222308.626803-2-irogers@google.com
Fixes: ec49230cf6 ("perf debug: Expose debug file")
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
This commit is contained in:
Ian Rogers 2025-02-28 14:22:58 -08:00 committed by Namhyung Kim
parent b10f74308e
commit bda840191d
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
tools/perf/util/debug.c
View File

@ -46,8 +46,8 @@ int debug_type_profile;
FILE *debug_file(void)
{
if (!_debug_file) {
pr_warning_once("debug_file not set");
debug_set_file(stderr);
pr_warning_once("debug_file not set");
}
return _debug_file;
}