arch/i386/lib/checksum.S: Handle zero length.

5ea72c77 · Alexey Kuznetsov · David S. Miller · fd393e0a · 5ea72c77
Commit 5ea72c77 authored Aug 23, 2002 by Alexey Kuznetsov Committed by David S. Miller Aug 23, 2002
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arch/i386/lib/checksum.S arch/i386/lib/checksum.S +2 -0

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--- a/arch/i386/lib/checksum.S
+++ b/arch/i386/lib/checksum.S
@@ -149,6 +149,8 @@ csum_partial:
 30:	subl $2, %ecx          
 	ja 20b                 
 	je 32f
+	addl $2, %ecx
+	jz 80f
 	movzbl (%esi),%ebx	# csumming 1 byte, 2-aligned
 	addl %ebx, %eax
 	adcl $0, %eax