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fc1c428eb4
memdup_user() checks it, so the only effect would be failing with -EINVAL instead of -EFAULT in case when access_ok() is false. However, the caller has already checked access_ok() itself (and would have buggered off with -EFAULT), so the check is completely pointless. Removing it both simplifies the only instance of ->dsp_load() and allows to get rid of the check in caller - its sole effect used to be in preventing a bogus error value from access_ok() in the instance. Let memdup_user() do the right thing instead... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> |
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Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.