new helper: memdup_user_nul()

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Similar to memdup_user(), except that allocated buffer is one byte
longer and '\0' is stored after the copied data.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

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Al Viro 2015-12-24 00:06:05 -05:00

parent 74bf8efb5f

commit e9d408e107

2 changed files with 32 additions and 0 deletions

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include/linux/string.h

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