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ns: uniformly initialize ns_common

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No point in cargo-culting the same code across all the different types.
Use one common initializer.

Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Christian Brauner 2025-09-12 13:52:30 +02:00
parent 9296f46a96
commit 660def10b0
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GPG Key ID: 91C61BC06578DCA2
1 changed files with 16 additions and 0 deletions
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16
include/linux/proc_ns.h
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@ -72,6 +72,22 @@ static inline int ns_alloc_inum(struct ns_common *ns)
return proc_alloc_inum(&ns->inum);
}
static inline int ns_common_init(struct ns_common *ns,
const struct proc_ns_operations *ops,
bool alloc_inum)
{
if (alloc_inum) {
int ret;
ret = proc_alloc_inum(&ns->inum);
if (ret)
return ret;
}
refcount_set(&ns->count, 1);
ns->stashed = NULL;
ns->ops = ops;
return 0;
}
#define ns_free_inum(ns) proc_free_inum((ns)->inum)
#define get_proc_ns(inode) ((struct ns_common *)(inode)->i_private)