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authorHeiko Carstens <hca@linux.ibm.com>2020-08-11 16:37:33 +0200
committerVasily Gorbik <gor@linux.ibm.com>2020-08-26 18:47:20 +0200
commit612ad0785dd5161dc311b10bd26038553a378386 (patch)
treeca0efb8b86295837662481f85499224ae01e2d09
parent614b4f5d0fa3f622cfcc899491d8a3e6af3d4dc5 (diff)
downloadlwn-612ad0785dd5161dc311b10bd26038553a378386.tar.gz
lwn-612ad0785dd5161dc311b10bd26038553a378386.zip
s390/checksum: have consistent calculations
Use "|" instead of "+" within csum_fold() for consistency reasons, like in the rest of the file. Signed-off-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
-rw-r--r--arch/s390/include/asm/checksum.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/s390/include/asm/checksum.h b/arch/s390/include/asm/checksum.h
index 8bc6bed4715b..de97ae691060 100644
--- a/arch/s390/include/asm/checksum.h
+++ b/arch/s390/include/asm/checksum.h
@@ -54,7 +54,7 @@ static inline __sum16 csum_fold(__wsum sum)
{
u32 csum = (__force u32) sum;
- csum += (csum >> 16) + (csum << 16);
+ csum += (csum >> 16) | (csum << 16);
csum >>= 16;
return (__force __sum16) ~csum;
}