From: Alejandro Lucero <alejandro.lucero@netronome.com>
Date: Mon, 8 Apr 2019 10:49:39 +0000 (+0100)
Subject: net/nfp: fix memory leak
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=8539ec0a40a332da568f2bfac4419f6f9116668e;p=dpdk.git

net/nfp: fix memory leak

Coverity issue: 32806
Fixes: ef28aa96e53b ("net/nfp: support multiprocess")
Cc: stable@dpdk.org

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

diff --git a/drivers/net/nfp/nfpcore/nfp_cpp_pcie_ops.c b/drivers/net/nfp/nfpcore/nfp_cpp_pcie_ops.c
index 33baa989b5..0b9db974e1 100644
--- a/drivers/net/nfp/nfpcore/nfp_cpp_pcie_ops.c
+++ b/drivers/net/nfp/nfpcore/nfp_cpp_pcie_ops.c
@@ -690,12 +690,16 @@ nfp_acquire_secondary_process_lock(struct nfp_pcie_user *desc)
 	lockfile = calloc(strlen(home_path) + strlen(lockname) + 1,
 			  sizeof(char));
 
+	if (!lockfile)
+		return -ENOMEM;
+
 	strcat(lockfile, home_path);
 	strcat(lockfile, "/.lock_nfp_secondary");
 	desc->secondary_lock = open(lockfile, O_RDWR | O_CREAT | O_NONBLOCK,
 				    0666);
 	if (desc->secondary_lock < 0) {
 		RTE_LOG(ERR, PMD, "NFP lock for secondary process failed\n");
+		free(lockfile);
 		return desc->secondary_lock;
 	}
 
@@ -707,6 +711,7 @@ nfp_acquire_secondary_process_lock(struct nfp_pcie_user *desc)
 		close(desc->secondary_lock);
 	}
 
+	free(lockfile);
 	return rc;
 }