remove dead store in ecdsa_signature_parse_der_lax

fanquake · fanquake · commit f00d6575ca0d · 2020-06-29T13:23:26.000+08:00
This change was made in bitcoin/bitcoin without upstreaming. So this is a followup to the comment here: bitcoin#19228 (comment). See also: bitcoin#11073.
diff --git a/contrib/lax_der_parsing.c b/contrib/lax_der_parsing.c
@@ -112,7 +112,6 @@ int ecdsa_signature_parse_der_lax(const secp256k1_context* ctx, secp256k1_ecdsa_
         return 0;
     }
     spos = pos;
-    pos += slen;
 
     /* Ignore leading zeroes in R */
     while (rlen > 0 && input[rpos] == 0) {

Original file line number	Diff line number	Diff line change
`@@ -112,7 +112,6 @@ int ecdsa_signature_parse_der_lax(const secp256k1_context* ctx, secp256k1_ecdsa_`
`112`	`112`	`return 0;`
`113`	`113`	`}`
`114`	`114`	`spos = pos;`
`115`		`- pos += slen;`
`116`	`115`
`117`	`116`	`/* Ignore leading zeroes in R */`
`118`	`117`	`while (rlen > 0 && input[rpos] == 0) {`