DPDK patches and discussions
 help / color / mirror / Atom feed
* [PATCH] crypto/ipsec_mb: fix null pointer dereference
@ 2022-01-29 16:30 Weiguo Li
  2022-02-08 21:44 ` [EXT] " Akhil Goyal
  0 siblings, 1 reply; 2+ messages in thread
From: Weiguo Li @ 2022-01-29 16:30 UTC (permalink / raw)
  To: roy.fan.zhang; +Cc: piotrx.bronowski, dev

Adjust memory check and use in a proper order to avoid
null pointer dereference.

Fixes: 918fd2f1466b ("crypto/ipsec_mb: move aesni_mb PMD")

Signed-off-by: Weiguo Li <liwg06@foxmail.com>
---
 drivers/crypto/ipsec_mb/ipsec_mb_private.h | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/crypto/ipsec_mb/ipsec_mb_private.h b/drivers/crypto/ipsec_mb/ipsec_mb_private.h
index 866722d6f4..cae8f68988 100644
--- a/drivers/crypto/ipsec_mb/ipsec_mb_private.h
+++ b/drivers/crypto/ipsec_mb/ipsec_mb_private.h
@@ -191,12 +191,11 @@ ipsec_mb_parse_xform(const struct rte_crypto_sym_xform *xform,
 			const struct rte_crypto_sym_xform **cipher_xform,
 			const struct rte_crypto_sym_xform **aead_xform)
 {
-	const struct rte_crypto_sym_xform *next = xform->next;
-
 	if (xform == NULL) {
 		*mode = IPSEC_MB_OP_NOT_SUPPORTED;
 		return -ENOTSUP;
 	}
+	const struct rte_crypto_sym_xform *next = xform->next;
 
 	if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER) {
 		if (next == NULL) {
-- 
2.25.1


^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2022-02-08 21:44 UTC | newest]

Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-01-29 16:30 [PATCH] crypto/ipsec_mb: fix null pointer dereference Weiguo Li
2022-02-08 21:44 ` [EXT] " Akhil Goyal

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).