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sysfs: attempt to remove empty directories only

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This commit is contained in:
NAKAMURA Gou
2016-01-26 14:47:00 +09:00
parent a6cb9a6b93
commit 2e98f875c3
1 changed files with 8 additions and 2 deletions
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10
executer/kernel/mcctrl/sysfs.c
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@ -687,9 +687,8 @@ unlink_i(struct sysfsm_node *np)
}
if ((np->type == SNT_DIR) && !list_empty(&np->children)) {
/* this is usual when called from cleanup_ancestor() */
error = -ENOTEMPTY;
dprintk("mcctrl:unlink_i:not empty dir. %d\n", error);
eprintk("mcctrl:unlink_i:not empty dir. %d\n", error);
goto out;
}
@ -875,6 +874,13 @@ cleanup_ancestor(struct sysfsm_node *target)
error = 0;
for (np = target; !error; np = next_np) {
next_np = np->parent;
if ((np == np->sdp->sysfs_root)
|| (np->parent == np->sdp->sysfs_root)
|| !list_empty(&np->children)) {
break;
}
error = unlink_i(np);
}