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namespace: split out calls to normalize mount entry list into new function

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This commit is contained in:
Lennart Poettering 2018-04-04 11:03:21 +02:00
parent c9ef8573be
commit f8b64b5723
1 changed files with 13 additions and 6 deletions
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19
src/core/namespace.c
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@ -1066,6 +1066,18 @@ static unsigned namespace_calculate_mounts(
(namespace_info_mount_apivfs(root_directory, ns_info) ? ELEMENTSOF(apivfs_table) : 0);
}
static void normalize_mounts(const char *root_directory, MountEntry *mounts, unsigned *n_mounts) {
assert(n_mounts);
assert(mounts || *n_mounts == 0);
qsort_safe(mounts, *n_mounts, sizeof(MountEntry), mount_path_compare);
drop_duplicates(mounts, n_mounts);
drop_outside_root(root_directory, mounts, n_mounts);
drop_inaccessible(mounts, n_mounts);
drop_nop(mounts, n_mounts);
}
int setup_namespace(
const char* root_directory,
const char* root_image,
@ -1250,12 +1262,7 @@ int setup_namespace(
if (r < 0)
goto finish;
qsort(mounts, n_mounts, sizeof(MountEntry), mount_path_compare);
drop_duplicates(mounts, &n_mounts);
drop_outside_root(root, mounts, &n_mounts);
drop_inaccessible(mounts, &n_mounts);
drop_nop(mounts, &n_mounts);
normalize_mounts(root_directory, mounts, &n_mounts);
}
if (unshare(CLONE_NEWNS) < 0) {