[PATCH 0/3] eCryptfs: Fix and cleanup miscdev read and write functions

[Tyler Hicks <tyhicks@xxxxxxxxxxxxx>]

As Andrew mentioned[1], ecryptfs_miscdev_write() should do better sanitization
of the write count. While adding that, I ran into a few other needed
improvements. The first patch is intended to go to stable (which is why it
continues the trend of using magic numbers), while the other two are less
important and I'll only target them for only 3.3-rc1.

Tyler

[1] https://lkml.org/lkml/2012/1/11/394

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