From: Kalesh A P <kalesh-anakkur.purayil@broadcom.com>
To: stable@dpdk.org
Subject: [dpdk-stable] [PATCH 19.11 3/9] net/bnxt: fix double free in port start failure
Date: Thu, 20 May 2021 15:46:48 +0530 [thread overview]
Message-ID: <20210520101654.3214-4-kalesh-anakkur.purayil@broadcom.com> (raw)
In-Reply-To: <20210520101654.3214-1-kalesh-anakkur.purayil@broadcom.com>
From: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
[ upstream commit 39a03b401e4a72a118bae60c5834be2b6913098e ]
During port start when bnxt_start_nic() fails, it tries to free
"intr_handle->intr_vec" but the variable is not set to NULL after that.
If port start fails, driver invokes bnxt_dev_stop() which will lead
to a double free of "intr_handle->intr_vec".
Fix it by removing the call to free "intr_handle->intr_vec" in the
bnxt_start_nic() failure path as it is anyway doing in bnxt_dev_stop().
Fixes: 9d276b439aaf ("net/bnxt: fix error handling in device start")
Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Reviewed-by: Somnath Kotur <somnath.kotur@broadcom.com>
Reviewed-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
---
drivers/net/bnxt/bnxt_ethdev.c | 12 ++++--------
1 file changed, 4 insertions(+), 8 deletions(-)
diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c
index 26cc3dc..bcdf1fc 100644
--- a/drivers/net/bnxt/bnxt_ethdev.c
+++ b/drivers/net/bnxt/bnxt_ethdev.c
@@ -442,7 +442,7 @@ static int bnxt_init_chip(struct bnxt *bp)
PMD_DRV_LOG(ERR, "Failed to allocate %d rx_queues"
" intr_vec", bp->eth_dev->data->nb_rx_queues);
rc = -ENOMEM;
- goto err_disable;
+ goto err_out;
}
PMD_DRV_LOG(DEBUG, "intr_handle->intr_vec = %p "
"intr_handle->nb_efd = %d intr_handle->max_intr = %d\n",
@@ -462,13 +462,13 @@ static int bnxt_init_chip(struct bnxt *bp)
#ifndef RTE_EXEC_ENV_FREEBSD
/* In FreeBSD OS, nic_uio driver does not support interrupts */
if (rc)
- goto err_free;
+ goto err_out;
#endif
rc = bnxt_get_hwrm_link_config(bp, &new);
if (rc) {
PMD_DRV_LOG(ERR, "HWRM Get link config failure rc: %x\n", rc);
- goto err_free;
+ goto err_out;
}
if (!bp->link_info.link_up) {
@@ -476,17 +476,13 @@ static int bnxt_init_chip(struct bnxt *bp)
if (rc) {
PMD_DRV_LOG(ERR,
"HWRM link config failure rc: %x\n", rc);
- goto err_free;
+ goto err_out;
}
}
bnxt_print_link_info(bp->eth_dev);
return 0;
-err_free:
- rte_free(intr_handle->intr_vec);
-err_disable:
- rte_intr_efd_disable(intr_handle);
err_out:
/* Some of the error status returned by FW may not be from errno.h */
if (rc > 0)
--
2.10.1
next prev parent reply other threads:[~2021-05-20 9:55 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-20 10:16 [dpdk-stable] [PATCH 19.11 0/9] backports for 19.11.9 Kalesh A P
2021-05-20 10:16 ` [dpdk-stable] [PATCH 19.11 1/9] net/bnxt: fix build failures after merging patches Kalesh A P
2021-05-20 10:16 ` [dpdk-stable] [PATCH 19.11 2/9] net/bnxt: drop unused attribute Kalesh A P
2021-05-20 10:16 ` Kalesh A P [this message]
2021-05-20 10:16 ` [dpdk-stable] [PATCH 19.11 4/9] net/bnxt: fix firmware fatal error handling Kalesh A P
2021-05-20 10:16 ` [dpdk-stable] [PATCH 19.11 5/9] net/bnxt: fix memory allocation for command response Kalesh A P
2021-05-20 10:16 ` [dpdk-stable] [PATCH 19.11 6/9] net/bnxt: fix timesync when PTP is not supported Kalesh A P
2021-05-20 10:16 ` [dpdk-stable] [PATCH 19.11 7/9] net/bnxt: fix VF info allocation Kalesh A P
2021-05-20 10:16 ` [dpdk-stable] [PATCH 19.11 8/9] net/bnxt: fix PTP support for Thor Kalesh A P
2021-05-20 10:16 ` [dpdk-stable] [PATCH 19.11 9/9] net/bnxt: fix xstats get Kalesh A P
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