[PATCH 2/4] selftests: ublk: kublk: fix an error log line

From: Uday Shankar
Date: Tue Mar 25 2025 - 18:21:23 EST


When doing io_uring operations using liburing, errno is not used to
indicate errors, so the %m format specifier does not provide any
relevant information for failed io_uring commands. Fix a log line
emitted on get_params failure to translate the error code returned in
the cqe->res field instead.

Signed-off-by: Uday Shankar <ushankar@xxxxxxxxxxxxxxx>
---
tools/testing/selftests/ublk/kublk.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/ublk/kublk.c b/tools/testing/selftests/ublk/kublk.c
index b17eee643b2dbfd59903b61718afcbc21da91d97..ded1b93e7913011499ae5dae7b40f0e425982ee4 100644
--- a/tools/testing/selftests/ublk/kublk.c
+++ b/tools/testing/selftests/ublk/kublk.c
@@ -215,7 +215,7 @@ static void ublk_ctrl_dump(struct ublk_dev *dev)

ret = ublk_ctrl_get_params(dev, &p);
if (ret < 0) {
- ublk_err("failed to get params %m\n");
+ ublk_err("failed to get params %d %s\n", ret, strerror(-ret));
return;
}


--
2.34.1