Latest update

crypto/bn/asm/mips.pl

@@ -88,7 +88,7 @@ if ($flavour =~ /64|n32/i) {
 	$SZREG=4;
 	$REG_S="sw";
 	$REG_L="lw";
-	$code=".set	mips2\n";
+	$code="#if !(defined (__mips_isa_rev) && (__mips_isa_rev >= 6))\n.set     mips2\n#endif\n";
 }
 
 # Below is N32/64 register layout used in the original module.

crypto/bn/asm/ppc.pl

@@ -258,6 +258,7 @@ $data=<<EOF;
 # .text section
 
 	.machine	"any"
+	.text
 
 #
 #	NOTE:	The following label name should be changed to

crypto/bn/bn_ctx.c

@@ -184,6 +184,8 @@ void BN_CTX_start(BN_CTX *ctx)
 
 void BN_CTX_end(BN_CTX *ctx)
 {
+    if (ctx == NULL)
+        return;
     CTXDBG("ENTER BN_CTX_end()", ctx);
     if (ctx->err_stack)
         ctx->err_stack--;

crypto/bn/bn_lib.c

@@ -338,6 +338,8 @@ void BN_swap(BIGNUM *a, BIGNUM *b)
 
 void BN_clear(BIGNUM *a)
 {
+    if (a == NULL)
+        return;
     bn_check_top(a);
     if (a->d != NULL)
         OPENSSL_cleanse(a->d, sizeof(*a->d) * a->dmax);

crypto/bn/bn_prime.c

@@ -170,8 +170,7 @@ int BN_generate_prime_ex(BIGNUM *ret, int bits, int safe,
     found = 1;
  err:
     OPENSSL_free(mods);
-    if (ctx != NULL)
-        BN_CTX_end(ctx);
+    BN_CTX_end(ctx);
     BN_CTX_free(ctx);
     bn_check_top(ret);
     return found;