From: Weiguo Li <liwg06@foxmail.com>
Date: Tue, 25 Jan 2022 14:33:15 +0000 (+0800)
Subject: compress/octeontx: fix null pointer dereference
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=b072930fb10a0471d69db5de341ea87a0d1561cc;p=dpdk.git

compress/octeontx: fix null pointer dereference

Check for memory allocation failure is added to avoid null
pointer dereference.

Fixes: c378f084d6e3 ("compress/octeontx: add device setup ops")
Cc: stable@dpdk.org

Signed-off-by: Weiguo Li <liwg06@foxmail.com>
Acked-by: Akhil Goyal <gakhil@marvell.com>
---

diff --git a/drivers/compress/octeontx/otx_zip_pmd.c b/drivers/compress/octeontx/otx_zip_pmd.c
index 26cdce60a8..f9b8f7a1ec 100644
--- a/drivers/compress/octeontx/otx_zip_pmd.c
+++ b/drivers/compress/octeontx/otx_zip_pmd.c
@@ -391,6 +391,8 @@ zip_pmd_qp_setup(struct rte_compressdev *dev, uint16_t qp_id,
 	}
 
 	name =  rte_malloc(NULL, RTE_COMPRESSDEV_NAME_MAX_LEN, 0);
+	if (name == NULL)
+		return (-ENOMEM);
 	snprintf(name, RTE_COMPRESSDEV_NAME_MAX_LEN,
 		 "zip_pmd_%u_qp_%u",
 		 dev->data->dev_id, qp_id);
@@ -398,8 +400,10 @@ zip_pmd_qp_setup(struct rte_compressdev *dev, uint16_t qp_id,
 	/* Allocate the queue pair data structure. */
 	qp = rte_zmalloc_socket(name, sizeof(*qp),
 				RTE_CACHE_LINE_SIZE, socket_id);
-	if (qp == NULL)
+	if (qp == NULL) {
+		rte_free(name);
 		return (-ENOMEM);
+	}
 
 	qp->name = name;