[PATCH] linux: Handle EINVAL as unsupported on tst-pidfd_getinfo

[Adhemerval Zanella]

Some kernels returns EINVAL for ioctl (PIDFD_GET_INFO) on pidfd
descriptors.

Checked on aarch64-linux-gnu with Linux 6.12.
---
 sysdeps/unix/sysv/linux/tst-pidfd_getinfo.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sysdeps/unix/sysv/linux/tst-pidfd_getinfo.c b/sysdeps/unix/sysv/linux/tst-pidfd_getinfo.c
index 948a7cdb6b..f4a77816b4 100644
--- a/sysdeps/unix/sysv/linux/tst-pidfd_getinfo.c
+++ b/sysdeps/unix/sysv/linux/tst-pidfd_getinfo.c
@@ -46,7 +46,7 @@ do_test (void)
   };
   if (ioctl (pidfd, PIDFD_GET_INFO, &info) != 0)
     {
-      if (errno == ENOTTY)
+      if (errno == ENOTTY || errno == EINVAL)
 	FAIL_UNSUPPORTED ("kernel does not support PIDFD_GET_INFO");
       else
 	FAIL_EXIT1 ("ioctl (PIDFD_GET_INFO) failed: %m");
-- 
2.43.0