When a sysfs_node is removed, automatically remove all symlinks
pointing to it together.
Note that as links created with kobject based sysfs_create_link()
aren't chained on its target, they aren't removed automatically. This
is for backward compatibility.
Signed-off-by: Tejun Heo <[email protected]>
---
fs/sysfs/dir.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c
index bb9e87e..4a04cb4 100644
--- a/fs/sysfs/dir.c
+++ b/fs/sysfs/dir.c
@@ -956,6 +956,12 @@ void __sysfs_remove(struct sysfs_dirent *sd, int recurse)
(sysfs_type(cur) == SYSFS_DIR || cur->s_parent != sd))
continue;
+ /* kill all symlinks pointing to @cur */
+ if (sysfs_type(cur) == SYSFS_DIR)
+ while (cur->s_dir.links)
+ sysfs_remove_one(&acxt, cur->s_dir.links);
+
+ /* kill @cur */
sysfs_remove_one(&acxt, cur);
} while ((cur = next));
--
1.5.0.3
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