For order 32 or more, the shift will truncate. Spotted by Coverity.
Signed-off-by: Andrew Cooper <andrew.coop...@citrix.com>
---
CC: Jan Beulich <jbeul...@suse.com>
CC: Wei Liu <wei.l...@citrix.com>
---
xen/common/page_alloc.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/xen/common/page_alloc.c b/xen/common/page_alloc.c
index 1aec13e..88d1637 100644
--- a/xen/common/page_alloc.c
+++ b/xen/common/page_alloc.c
@@ -334,7 +334,7 @@ void __init init_boot_pages(paddr_t ps, paddr_t pe)
for ( i = 0; i < array_size; i++ )
{
bootmem_region_zap(badpage->mfn,
- badpage->mfn + (1U << badpage->order));
+ badpage->mfn + (1UL << badpage->order));
badpage++;
}
}
@@ -347,7 +347,7 @@ void __init init_boot_pages(paddr_t ps, paddr_t pe)
for ( i = 0; i < array_size; i++ )
{
bootmem_region_zap(badpage->mfn,
- badpage->mfn + (1U << badpage->order));
+ badpage->mfn + (1UL << badpage->order));
badpage++;
}
}
--
2.1.4
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