From: Björn Töpel <bjorn.topel@xxxxxxxxx>
i386 builds report:
net/xdp/xdp_umem.o: In function `xdp_umem_reg':
xdp_umem.c:(.text+0x47e): undefined reference to `__udivdi3'
This fix uses div_u64 instead of the GCC built-in.
Fixes: c0c77d8fb787 ("xsk: add user memory registration support sockopt")
Signed-off-by: Björn Töpel <bjorn.topel@xxxxxxxxx>
---
net/xdp/xdp_umem.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/xdp/xdp_umem.c b/net/xdp/xdp_umem.c
index 881dfdefe235..2b47a1dd7c6c 100644
--- a/net/xdp/xdp_umem.c
+++ b/net/xdp/xdp_umem.c
@@ -209,7 +209,7 @@ int xdp_umem_reg(struct xdp_umem *umem, struct xdp_umem_reg *mr)
if ((addr + size) < addr)
return -EINVAL;
- nframes = size / frame_size;
+ nframes = (unsigned int)div_u64(size, frame_size);
if (nframes == 0 || nframes > UINT_MAX)
return -EINVAL;
--
2.14.1
--
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