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sched_ext/selftests: Fix format specifier and buffer length in file_write_long()

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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>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Cheng-Yang Chou
2026-03-05 03:57:57 +08:00
committed by Tejun Heo
parent 7a8464555d
commit 6944e6d8a6
1 changed files with 2 additions and 2 deletions
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4
tools/testing/selftests/sched_ext/util.c
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@@ -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;