From: Nithin Kumar Dabilpuram <ndabilpuram@marvell.com>
To: Thomas Monjalon <thomas@monjalon.net>,
Ferruh Yigit <ferruh.yigit@intel.com>,
Andrew Rybchenko <arybchenko@solarflare.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>,
Jerin Jacob Kollanukkaran <jerinj@marvell.com>,
Nithin Kumar Dabilpuram <ndabilpuram@marvell.com>
Subject: [dpdk-dev] [PATCH] ethdev: report error on name truncation
Date: Mon, 7 Jan 2019 14:40:05 +0000 [thread overview]
Message-ID: <20190107143951.30076-1-ndabilpuram@marvell.com> (raw)
Signed-off-by: Nithin Dabilpuram <ndabilpuram@marvell.com>
---
lib/librte_ethdev/rte_ethdev.c | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/lib/librte_ethdev/rte_ethdev.c b/lib/librte_ethdev/rte_ethdev.c
index 9d5107d..bd45445 100644
--- a/lib/librte_ethdev/rte_ethdev.c
+++ b/lib/librte_ethdev/rte_ethdev.c
@@ -3588,9 +3588,17 @@ rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
{
char z_name[RTE_MEMZONE_NAMESIZE];
const struct rte_memzone *mz;
+ int rc;
- snprintf(z_name, sizeof(z_name), "eth_p%d_q%d_%s",
- dev->data->port_id, queue_id, ring_name);
+ rc = snprintf(z_name, sizeof(z_name), "%s_%s_%d_%d",
+ dev->device->driver->name, ring_name,
+ dev->data->port_id, queue_id);
+
+ if (rc >= RTE_MEMZONE_NAMESIZE) {
+ RTE_LOG(ERR, EAL, "%s(): truncated name\n", __func__);
+ rte_errno = ENAMETOOLONG;
+ return NULL;
+ }
mz = rte_memzone_lookup(z_name);
if (mz)
--
2.8.4
next reply other threads:[~2019-01-07 14:40 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-07 14:40 Nithin Kumar Dabilpuram [this message]
2019-01-07 14:47 ` Andrew Rybchenko
2019-01-07 15:53 ` Stephen Hemminger
2019-01-07 16:17 ` Andrew Rybchenko
2019-01-08 6:06 ` [dpdk-dev] [EXT] " Nithin Kumar Dabilpuram
2019-01-07 14:50 ` [dpdk-dev] " Thomas Monjalon
2019-01-08 5:32 ` [dpdk-dev] [EXT] " Nithin Kumar Dabilpuram
2019-01-13 15:38 ` [dpdk-dev] [PATCH v2] " Nithin Kumar Dabilpuram
2019-01-13 19:28 ` Wiles, Keith
2019-01-13 20:02 ` Thomas Monjalon
2019-01-13 20:19 ` Wiles, Keith
2019-01-13 21:21 ` Thomas Monjalon
2019-01-14 7:32 ` Andrew Rybchenko
2019-01-14 14:30 ` Thomas Monjalon
2019-01-17 14:13 ` [dpdk-dev] [PATCH v3] " Nithin Kumar Dabilpuram
2019-01-17 15:38 ` Thomas Monjalon
2019-01-17 17:07 ` Ferruh Yigit
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