uaccess: add missing __must_check attributes

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The usercopy implementation comments describe that callers of the
copy_*_user() family of functions must always have their return values
checked.  This can be enforced at compile time with __must_check, so add
it where needed.

Link: http://lkml.kernel.org/r/201908251609.ADAD5CAAC1@keescook
Signed-off-by: Kees Cook <keescook@chromium.org>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

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Kees Cook 2019-09-25 16:47:39 -07:00 • committed by Linus Torvalds

parent d5372c3913

commit 9dd819a151

2 changed files with 12 additions and 11 deletions

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2

include/linux/thread_info.h

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21

include/linux/uaccess.h

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