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[PATCH] file: Add locking to f_getown
[linux-2.6-block.git]
/
fs
/
fcntl.c
diff --git
a/fs/fcntl.c
b/fs/fcntl.c
index e7c66a1bf8310e4728e9560cf4b16688042fc697..e4f26165f12a22567526a74d2f463aa6d6798547 100644
(file)
--- a/
fs/fcntl.c
+++ b/
fs/fcntl.c
@@
-305,9
+305,11
@@
void f_delown(struct file *filp)
pid_t f_getown(struct file *filp)
{
pid_t pid;
+ read_lock(&filp->f_owner.lock);
pid = pid_nr(filp->f_owner.pid);
if (filp->f_owner.pid_type == PIDTYPE_PGID)
pid = -pid;
+ read_unlock(&filp->f_owner.lock);
return pid;
}