tree cc73c51495b875921625093ea30a9bbdbe175e40
parent 23602adfee71894d04ce2b69cbd6d29ab2e77d6d
author Al Viro <viro@zeniv.linux.org.uk> 1427816632 -0400
committer Al Viro <viro@zeniv.linux.org.uk> 1428805674 -0400

ioctx_alloc(): remove pointless check

Way, way back kiocb used to be picked from arrays, so ioctx_alloc()
checked for multiplication overflow when calculating the size of
such array.  By the time fs/aio.c went into the tree (in 2002) they
were already allocated one-by-one by kmem_cache_alloc(), so that
check had already become pointless.  Let's bury it...

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