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rocker: fix harmless warning on 32-bit machines

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The rocker driver tries to assign a pointer to a 64-bit integer
and then back to a pointer. This is safe on all architectures,
but causes a compiler warning when pointers are shorter than
64-bit:

rocker/rocker.c: In function 'rocker_desc_cookie_ptr_get':
rocker/rocker.c:809:9: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
  return (void *) desc_info->desc->cookie;
         ^

This adds another cast to uintptr_t to tell the compiler
that it's safe.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arnd Bergmann 2015-01-13 15:23:52 +01:00 committed by David S. Miller
parent 06640310b4
commit adedf37b59
1 changed files with 2 additions and 2 deletions
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4
drivers/net/ethernet/rocker/rocker.c
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@ -806,13 +806,13 @@ static bool rocker_desc_gen(struct rocker_desc_info *desc_info)
static void *rocker_desc_cookie_ptr_get(struct rocker_desc_info *desc_info)
{
return (void *) desc_info->desc->cookie;
return (void *)(uintptr_t)desc_info->desc->cookie;
}
static void rocker_desc_cookie_ptr_set(struct rocker_desc_info *desc_info,
void *ptr)
{
desc_info->desc->cookie = (long) ptr;
desc_info->desc->cookie = (uintptr_t) ptr;
}
static struct rocker_desc_info *