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ecryptfs: fix failure handling in ->readlink()
If ecryptfs_readlink_lower() fails, buf remains an uninitialized pointer and passing it nd_set_link() won't do anything good. Fixed by switching ecryptfs_readlink_lower() to saner API - make it return buf or ERR_PTR(...) and update callers. Signed-off-by: Al Viro <[email protected]>
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Al Viro
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Jan 25, 2014
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