Upstream 3.0.48 -> 3.0.49

https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/log/?h=linux-3.0.y
Upstream 3.0.49 -> 3.0.50

https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/log/?h=linux-3.0.y
Upstream 3.0.50 -> 3.0.51

https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/log/?h=linux-3.0.y