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bpf: Fix cast to pointer from integer of different size warning 

commit 2dedd7d2165565bafa89718eaadfc5d1a7865f66 upstream.

Fix "warning: cast to pointer from integer of different size" when
casting u64 addr to void *.

Fixes: a23740ec43ba ("bpf: Track contents of read-only maps as scalars")
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Link: https://lore.kernel.org/bpf/20191011172053.2980619-1-andriin@fb.com
Cc: Rafael David Tinoco <rafaeldtinoco@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andrii Nakryiko 2019-10-11 10:20:53 -07:00 committed by Greg Kroah-Hartman
parent 812ee47ad7
commit 38adbf21f3
1 changed files with 1 additions and 1 deletions
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2
kernel/bpf/verifier.c
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@ -2792,7 +2792,7 @@ static int bpf_map_direct_read(struct bpf_map *map, int off, int size, u64 *val)
err = map->ops->map_direct_value_addr(map, &addr, off);
if (err)
return err;
ptr = (void *)addr + off;
ptr = (void *)(long)addr + off;
switch (size) {
case sizeof(u8):