[LTP] [PATCH v1] ioctl_loop01.c: Use proper device for partitioning

[Wei Gao]

This is same patch used on ioctl09,the page cache of loop0 can cache old
version of the partition table which is then used by the partitioning
code. Fix the problem by calling parted against the loop device directly.

Link: https://lore.kernel.org/ltp/20250829141932.31997-1-jack@suse.cz/
Signed-off-by: Wei Gao <wegao@suse.com>
---
 testcases/kernel/syscalls/ioctl/ioctl_loop01.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/testcases/kernel/syscalls/ioctl/ioctl_loop01.c b/testcases/kernel/syscalls/ioctl/ioctl_loop01.c
index c9137bf1e..5ee7a474a 100644
--- a/testcases/kernel/syscalls/ioctl/ioctl_loop01.c
+++ b/testcases/kernel/syscalls/ioctl/ioctl_loop01.c
@@ -98,7 +98,7 @@ static void verify_ioctl_loop(void)
 static void setup(void)
 {
 	int ret;
-	const char *const cmd_parted[] = {"parted", "-s", "test.img", "mklabel", "msdos", "mkpart",
+	const char *const cmd_parted[] = {"parted", "-s", dev_path, "mklabel", "msdos", "mkpart",
 	                                  "primary", "ext4", "1M", "10M", NULL};
 
 	dev_num = tst_find_free_loopdev(dev_path, sizeof(dev_path));
-- 
2.51.0