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pc-bios: s390x: Make u32 ptr check explicit

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Let's make it a bit more clear that we check the full 64 bits to fit
into the 32 we return.

Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Suggested-by: David Hildenbrand <david@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20200624075226.92728-11-frankja@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This commit is contained in:
Janosch Frank 2020-06-24 03:52:24 -04:00 committed by Thomas Huth
parent 78182aea78
commit 9598c227aa
1 changed files with 1 additions and 1 deletions
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2
pc-bios/s390-ccw/helper.h
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@ -19,7 +19,7 @@
/* Avoids compiler warnings when casting a pointer to a u32 */
static inline uint32_t ptr2u32(void *ptr)
{
IPL_assert((uint64_t)ptr <= 0xffffffff, "ptr2u32: ptr too large");
IPL_assert((uint64_t)ptr <= 0xffffffffull, "ptr2u32: ptr too large");
return (uint32_t)(uint64_t)ptr;
}