a90bca2228
The sysfs_break_active_protection() routine has an obvious reference
leak in its error path. If the call to kernfs_find_and_get() fails then
kn will be NULL, so the companion sysfs_unbreak_active_protection()
routine won't get called (and would only cause an access violation by
trying to dereference kn->parent if it was called). As a result, the
reference to kobj acquired at the start of the function will never be
released.
Fix the leak by adding an explicit kobject_put() call when kn is NULL.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Fixes:
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|---|---|---|
| .. | ||
| Kconfig | ||
| Makefile | ||
| dir.c | ||
| file.c | ||
| group.c | ||
| mount.c | ||
| symlink.c | ||
| sysfs.h | ||