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fs: Constify path_is_under()'s arguments

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The function path_is_under() doesn't modify the paths pointed by its
arguments but only browse them. Constifying this pointers make a cleaner
interface to be used by (future) code which may only have access to
const struct path pointers (e.g. LSM hooks).

Signed-off-by: Mickaël Salaün <[email protected]>
Cc: Alexander Viro <[email protected]>
Signed-off-by: Al Viro <[email protected]>
This commit is contained in:
Mickaël Salaün 2016-11-14 22:14:35 +01:00 • committed by Al Viro
commit 640eb7e7b5
2 changed files with 2 additions and 2 deletions
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2
fs/namespace.c
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@ -2997,7 +2997,7 @@ bool is_path_reachable(struct mount *mnt, struct dentry *dentry,
return &mnt->mnt == root->mnt && is_subdir(dentry, root->dentry);
}
bool path_is_under(struct path *path1, struct path *path2)
bool path_is_under(const struct path *path1, const struct path *path2)
{
bool res;
read_seqlock_excl(&mount_lock);