diff options
| author | Nils Larsch <nils@openssl.org> | 2005-04-29 21:20:31 +0000 |
|---|---|---|
| committer | Nils Larsch <nils@openssl.org> | 2005-04-29 21:20:31 +0000 |
| commit | c1a8a5de13776c1a7b1bdbef574dd47948f77372 (patch) | |
| tree | fc83da8b915387e7c5e4c0bbfb7c6a5f00b62156 /crypto/bn/bn_ctx.c | |
| parent | e3d0e0a7923dae0de9d201d08f4d597ff7032643 (diff) | |
don't let BN_CTX_free(NULL) segfault
Diffstat (limited to 'crypto/bn/bn_ctx.c')
| -rw-r--r-- | crypto/bn/bn_ctx.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/crypto/bn/bn_ctx.c b/crypto/bn/bn_ctx.c index 7010193033..b3452f1a91 100644 --- a/crypto/bn/bn_ctx.c +++ b/crypto/bn/bn_ctx.c @@ -230,7 +230,10 @@ BN_CTX *BN_CTX_new(void) void BN_CTX_free(BN_CTX *ctx) { + if (ctx == NULL) + return; #ifdef BN_CTX_DEBUG + { BN_POOL_ITEM *pool = ctx->pool.head; fprintf(stderr,"BN_CTX_free, stack-size=%d, pool-bignums=%d\n", ctx->stack.size, ctx->pool.size); @@ -242,6 +245,7 @@ void BN_CTX_free(BN_CTX *ctx) pool = pool->next; } fprintf(stderr,"\n"); + } #endif BN_STACK_finish(&ctx->stack); BN_POOL_finish(&ctx->pool); |