3.2.68-rc1 review patch. If anyone has any objections, please let me know.
------------------
From: karl beldan <karl.beldan@xxxxxxxxx>
commit 9ce357795ef208faa0d59894d9d119a7434e37f3 upstream.
Fixed commit added from64to32 under _#ifndef do_csum_ but used it
under _#ifndef csum_tcpudp_nofold_, breaking some builds (Fengguang's
robot reported TILEGX's). Move from64to32 under the latter.
Fixes: 150ae0e94634 ("lib/checksum.c: fix carry in csum_tcpudp_nofold")
Reported-by: kbuild test robot <fengguang.wu@xxxxxxxxx>
Signed-off-by: Karl Beldan <karl.beldan@xxxxxxxxxxxxxxxx>
Cc: Eric Dumazet <edumazet@xxxxxxxxxx>
Cc: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
---
lib/checksum.c | 18 +++++++++---------
1 file changed, 9 insertions(+), 9 deletions(-)
--- a/lib/checksum.c
+++ b/lib/checksum.c
@@ -47,15 +47,6 @@ static inline unsigned short from32to16(
return x;
}
-static inline u32 from64to32(u64 x)
-{
- /* add up 32-bit and 32-bit for 32+c bit */
- x = (x & 0xffffffff) + (x >> 32);
- /* add up carry.. */
- x = (x & 0xffffffff) + (x >> 32);
- return (u32)x;
-}
-
static unsigned int do_csum(const unsigned char *buff, int len)
{
int odd;
@@ -188,6 +179,15 @@ csum_partial_copy(const void *src, void
EXPORT_SYMBOL(csum_partial_copy);
#ifndef csum_tcpudp_nofold
+static inline u32 from64to32(u64 x)
+{
+ /* add up 32-bit and 32-bit for 32+c bit */
+ x = (x & 0xffffffff) + (x >> 32);
+ /* add up carry.. */
+ x = (x & 0xffffffff) + (x >> 32);
+ return (u32)x;
+}
+
__wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr,
unsigned short len,
unsigned short proto,
--
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