[PULL,SUBSYSTEM,s390x,09/11] pc-bios: s390x: Make u32 ptr check explicit

Commit Message

Thomas Huth July 2, 2020, 11:50 a.m. UTC

From: Janosch Frank <[e-mail]>

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 <[e-mail]>
Suggested-by: David Hildenbrand <[e-mail]>
Reviewed-by: David Hildenbrand <[e-mail]>
Reviewed-by: Thomas Huth <[e-mail]>
Message-Id: <[e-mail]>
Signed-off-by: Thomas Huth <[e-mail]>
---
 pc-bios/s390-ccw/helper.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch

diff --git a/pc-bios/s390-ccw/helper.h b/pc-bios/s390-ccw/helper.h
index 32a453b634..dfcfea0ff0 100644
--- a/pc-bios/s390-ccw/helper.h
+++ b/pc-bios/s390-ccw/helper.h
@@ -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;
 }