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-rw-r--r--arch/arm/lib/csumpartialcopygeneric.S1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/lib/csumpartialcopygeneric.S b/arch/arm/lib/csumpartialcopygeneric.S
index 0b706a39a677..0fd5c10e90a7 100644
--- a/arch/arm/lib/csumpartialcopygeneric.S
+++ b/arch/arm/lib/csumpartialcopygeneric.S
@@ -86,6 +86,7 @@ sum .req r3
FN_ENTRY
save_regs
+ mov sum, #-1
cmp len, #8 @ Ensure that we have at least
blo .Lless8 @ 8 bytes to copy.