From: Alejandro Lucero <alejandro.lucero@netronome.com>
Date: Wed, 8 Nov 2017 12:07:14 +0000 (+0000)
Subject: net/nfp: fix memory allocation
X-Git-Tag: spdx-start~863
X-Git-Url: http://git.droids-corp.org/?p=dpdk.git;a=commitdiff_plain;h=965f0aaa7c59355495a1035dd7b991d47a9cb24e

net/nfp: fix memory allocation

If the function actually returns a null value, a null pointer
dereference will occur.

Coverity issue: 195013
Fixes: dd63df2bfff3 ("net/nfp: add NSP symbol resolution command")

Signed-off-by: Alejandro Lucero <alejandro.lucero@netronome.com>
---

diff --git a/drivers/net/nfp/nfp_nspu.c b/drivers/net/nfp/nfp_nspu.c
index 6ba940cbf9..a2819a14ee 100644
--- a/drivers/net/nfp/nfp_nspu.c
+++ b/drivers/net/nfp/nfp_nspu.c
@@ -411,6 +411,9 @@ nfp_nspu_set_bar_from_symbl(nspu_desc_t *desc, const char *symbl,
 	int ret = 0;
 
 	sym_buf = malloc(desc->buf_size);
+	if (!sym_buf)
+		return -ENOMEM;
+
 	strncpy(sym_buf, symbl, strlen(symbl));
 	ret = nspu_command(desc, NSP_CMD_GET_SYMBOL, 1, 1, sym_buf,
 			   NFP_SYM_DESC_LEN, strlen(symbl));