From: Rosen Xu <rosen.xu@intel.com>
Date: Tue, 23 Oct 2018 01:50:49 +0000 (+0800)
Subject: raw/ifpga: check probing error
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=b6aadd7436bfc1fb2af67aa266588fdd80ca8988;p=dpdk.git

raw/ifpga: check probing error

Fixes not checking rte_eal_hotplug_add() return value issue.

Coverity issue: 323508
Fixes: ef1e8ede3da5 ("raw/ifpga: add Intel FPGA bus rawdev driver")
Cc: stable@dpdk.org

Signed-off-by: Rosen Xu <rosen.xu@intel.com>
Acked-by: Shreyansh Jain <shreyansh.jain@nxp.com>
---

diff --git a/drivers/raw/ifpga_rawdev/ifpga_rawdev.c b/drivers/raw/ifpga_rawdev/ifpga_rawdev.c
index 3fed05781e..32e318fc3d 100644
--- a/drivers/raw/ifpga_rawdev/ifpga_rawdev.c
+++ b/drivers/raw/ifpga_rawdev/ifpga_rawdev.c
@@ -542,6 +542,7 @@ ifpga_cfg_probe(struct rte_vdev_device *dev)
 	int port;
 	char *name = NULL;
 	char dev_name[RTE_RAWDEV_NAME_MAX_LEN];
+	int ret = -1;
 
 	devargs = dev->device.devargs;
 
@@ -583,7 +584,7 @@ ifpga_cfg_probe(struct rte_vdev_device *dev)
 	snprintf(dev_name, RTE_RAWDEV_NAME_MAX_LEN, "%d|%s",
 	port, name);
 
-	rte_eal_hotplug_add(RTE_STR(IFPGA_BUS_NAME),
+	ret = rte_eal_hotplug_add(RTE_STR(IFPGA_BUS_NAME),
 			dev_name, devargs->args);
 end:
 	if (kvlist)
@@ -591,7 +592,7 @@ end:
 	if (name)
 		free(name);
 
-	return 0;
+	return ret;
 }
 
 static int