Index: cryptosoft.c
===================================================================
RCS file: /usr/repo/src/sys/opencrypto/cryptosoft.c,v
retrieving revision 1.9
diff -u -p -r1.9 cryptosoft.c
--- cryptosoft.c	11 Mar 2005 12:37:06 -0000	1.9
+++ cryptosoft.c	12 Mar 2006 20:43:21 -0000
@@ -70,6 +70,7 @@ u_int8_t hmac_opad_buffer[64] = {
 
 struct swcr_data **swcr_sessions = NULL;
 u_int32_t swcr_sesnum = 0;
+u_int32_t swcr_sesactive = 0;
 int32_t swcr_id = -1;
 
 #define COPYBACK(x, a, b, c, d) \
@@ -647,6 +648,7 @@ swcr_newsession(void *arg, u_int32_t *si
 			swcr_freesession(NULL, i);
 			return ENOBUFS;
 		}
+		swcr_sesactive++;
 
 		switch (cri->cri_alg) {
 		case CRYPTO_DES_CBC:
@@ -889,6 +891,10 @@ swcr_freesession(void *arg, u_int64_t ti
 
 		FREE(swd, M_CRYPTO_DATA);
 	}
+	if (--swcr_sesactive == 0) {
+		FREE(swcr_sessions, M_CRYPTO_DATA);
+		swcr_sessions = NULL;
+	}
 	return 0;
 }