X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/72109f8296281170fb26daa9587a8e8cb2423af7..9d1eaa281feb6ca36d04dafffc9565d9d7d2875f:/tools/nonce2key/crapto1.c?ds=sidebyside

diff --git a/tools/nonce2key/crapto1.c b/tools/nonce2key/crapto1.c
index e35daac8..5b3bab3e 100644
--- a/tools/nonce2key/crapto1.c
+++ b/tools/nonce2key/crapto1.c
@@ -416,9 +416,7 @@ uint32_t *lfsr_prefix_ks(uint8_t ks[8], int isodd)
 /** check_pfx_parity
  * helper function which eliminates possible secret states using parity bits
  */
-static struct Crypto1State*
-check_pfx_parity(uint32_t prefix, uint32_t rresp, uint8_t parities[8][8],
-          uint32_t odd, uint32_t even, struct Crypto1State* sl)
+static struct Crypto1State* check_pfx_parity(uint32_t prefix, uint32_t rresp, uint8_t parities[8][8], uint32_t odd, uint32_t even, struct Crypto1State* sl)
 {
 	uint32_t ks1, nr, ks2, rr, ks3, c, good = 1;
 
@@ -456,8 +454,7 @@ check_pfx_parity(uint32_t prefix, uint32_t rresp, uint8_t parities[8][8],
  * It returns a zero terminated list of possible cipher states after the
  * tag nonce was fed in
  */
-struct Crypto1State*
-lfsr_common_prefix(uint32_t pfx, uint32_t rr, uint8_t ks[8], uint8_t par[8][8])
+struct Crypto1State* lfsr_common_prefix(uint32_t pfx, uint32_t rr, uint8_t ks[8], uint8_t par[8][8])
 {
 	struct Crypto1State *statelist, *s;
 	uint32_t *odd, *even, *o, *e, top;
@@ -468,8 +465,9 @@ lfsr_common_prefix(uint32_t pfx, uint32_t rr, uint8_t ks[8], uint8_t par[8][8])
 	s = statelist = malloc((sizeof *statelist) << 20);
 	if(!s || !odd || !even) {
 		free(statelist);
-		statelist = 0;
-                goto out;
+		free(odd);
+		free(even);
+		return 0;
 	}
 
 	for(o = odd; *o + 1; ++o)
@@ -481,8 +479,6 @@ lfsr_common_prefix(uint32_t pfx, uint32_t rr, uint8_t ks[8], uint8_t par[8][8])
 			}
 
 	s->odd = s->even = 0;
-out:
-	free(odd);
-	free(even);
+
 	return statelist;
 }