Messages in this thread Patch in this message | | | From | Sasha Levin <> | Subject | [PATCH] procfs: missing rcu unlock in proc_reg_release | Date | Tue, 5 Mar 2013 08:55:47 -0500 |
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Commit "procfs: improve scaling in proc" forgot to unlock rcu read lock if the proc file didn't have ops struct.
Signed-off-by: Sasha Levin <sasha.levin@oracle.com> --- fs/proc/inode.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/fs/proc/inode.c b/fs/proc/inode.c index 6cccc4d..d9292ac 100644 --- a/fs/proc/inode.c +++ b/fs/proc/inode.c @@ -400,6 +400,7 @@ static int proc_reg_release(struct inode *inode, struct file *file) rcu_read_lock(); fops = rcu_dereference(pde->proc_fops); if (!fops) { + rcu_read_unlock(); /* * Can't simply exit, __fput() will think that everything is OK, * and move on to freeing struct file. remove_proc_entry() will -- 1.8.1.4
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