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pidfd-util: add missing trailing argument for ioctl(PIDFD_GET_*_NAMESPACE)

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Otherwise, it always fails with EINVAL.
This commit is contained in:
Yu Watanabe
2025-10-10 15:14:07 +09:00
committed by Mike Yuan
parent 705cb712ae
commit 608fc3fa2c
1 changed files with 1 additions and 1 deletions
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2
src/basic/pidfd-util.c
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@@ -56,7 +56,7 @@ int pidfd_get_namespace(int fd, unsigned long ns_type_cmd) {
if (have_pidfs == 0 || !cached_supported)
return -EOPNOTSUPP;
int nsfd = ioctl(fd, ns_type_cmd);
int nsfd = ioctl(fd, ns_type_cmd, 0);
if (nsfd < 0) {
/* Kernel returns EOPNOTSUPP if the ns type in question is disabled. Hence we need to look
* at precise errno instead of generic ERRNO_IS_(IOCTL_)NOT_SUPPORTED. */