* [PATCH] sched_ext/selftests: Fix format specifier and buffer length in file_write_long()
@ 2026-03-04 19:57 Cheng-Yang Chou
2026-03-04 22:09 ` Tejun Heo
0 siblings, 1 reply; 2+ messages in thread
From: Cheng-Yang Chou @ 2026-03-04 19:57 UTC (permalink / raw)
To: sched-ext; +Cc: tj, void, arighi, changwoo, jserv, yphbchou0911
Use %ld (not %lu) for signed long, and pass the actual string length
returned by sprintf() to write_text() instead of sizeof(buf).
Signed-off-by: Cheng-Yang Chou <yphbchou0911@gmail.com>
---
tools/testing/selftests/sched_ext/util.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/tools/testing/selftests/sched_ext/util.c b/tools/testing/selftests/sched_ext/util.c
index e47769c91918..2111329ed289 100644
--- a/tools/testing/selftests/sched_ext/util.c
+++ b/tools/testing/selftests/sched_ext/util.c
@@ -60,11 +60,11 @@ int file_write_long(const char *path, long val)
char buf[64];
int ret;
- ret = sprintf(buf, "%lu", val);
+ ret = sprintf(buf, "%ld", val);
if (ret < 0)
return ret;
- if (write_text(path, buf, sizeof(buf)) <= 0)
+ if (write_text(path, buf, ret) <= 0)
return -1;
return 0;
--
2.48.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] sched_ext/selftests: Fix format specifier and buffer length in file_write_long()
2026-03-04 19:57 [PATCH] sched_ext/selftests: Fix format specifier and buffer length in file_write_long() Cheng-Yang Chou
@ 2026-03-04 22:09 ` Tejun Heo
0 siblings, 0 replies; 2+ messages in thread
From: Tejun Heo @ 2026-03-04 22:09 UTC (permalink / raw)
To: Cheng-Yang Chou
Cc: sched-ext, void, arighi, changwoo, jserv, Emil Tsalapatis,
linux-kernel
Hello,
Applied to sched_ext/for-7.0-fixes.
Thanks.
--
tejun
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2026-03-04 19:57 [PATCH] sched_ext/selftests: Fix format specifier and buffer length in file_write_long() Cheng-Yang Chou
2026-03-04 22:09 ` Tejun Heo
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