make IS_ERR_VALUE() complain about non-pointer-sized arguments
authorLinus Torvalds <torvalds@linux-foundation.org>
Fri, 27 May 2016 23:03:22 +0000 (16:03 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Fri, 27 May 2016 23:03:22 +0000 (16:03 -0700)
commitaa00edc1287a693eadc7bc67a3d73555d969b35d
tree6dd91f62751407ea50e64c37f7e8a09bde803134
parent5d22fc25d4fc8096d2d7df27ea1893d4e055e764
make IS_ERR_VALUE() complain about non-pointer-sized arguments

Now that the allmodconfig x86-64 build is clean wrt IS_ERR_VALUE() uses
on integers, add a cast to a pointer and back to the argument, so that
any new mis-uses of IS_ERR_VALUE() will cause warnings like

   warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]

so that we don't re-introduce any bogus uses.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
include/linux/err.h