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From: "Morten Brørup" <mb@smartsharesystems.com>
To: <okaya@kernel.org>, "Thomas Monjalon" <thomas@monjalon.net>,
	"Ferruh Yigit" <ferruh.yigit@amd.com>,
	"Andrew Rybchenko" <andrew.rybchenko@oktetlabs.ru>
Cc: <dev@dpdk.org>
Subject: RE: [PATCH v3 01/10] ethdev: check return result of rte_eth_dev_info_get
Date: Fri, 20 Jan 2023 11:21:13 +0100	[thread overview]
Message-ID: <98CBD80474FA8B44BF855DF32C47DC35D8769C@smartserver.smartshare.dk> (raw)
In-Reply-To: <20230120044140.95975-2-okaya@kernel.org>

> From: okaya@kernel.org [mailto:okaya@kernel.org]
> Sent: Friday, 20 January 2023 05.42
> 
> From: Sinan Kaya <okaya@kernel.org>
> 
> rte_class_eth: eth_mac_cmp: The status of this call to
> rte_eth_dev_info_get
> is not checked, potentially leaving dev_info uninitialized.
> 
> Signed-off-by: Sinan Kaya <okaya@kernel.org>
> ---
>  lib/ethdev/rte_class_eth.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/lib/ethdev/rte_class_eth.c b/lib/ethdev/rte_class_eth.c
> index 838b3a8f9f..559ce22491 100644
> --- a/lib/ethdev/rte_class_eth.c
> +++ b/lib/ethdev/rte_class_eth.c
> @@ -50,8 +50,10 @@ eth_mac_cmp(const char *key __rte_unused,
>  	if (rte_ether_unformat_addr(value, &mac) < 0)
>  		return -1; /* invalid devargs value */
> 
> +	if (rte_eth_dev_info_get(data->port_id, &dev_info) < 0)
> +		return -1;
> +
>  	/* Return 0 if devargs MAC is matching one of the device MACs. */
> -	rte_eth_dev_info_get(data->port_id, &dev_info);
>  	for (index = 0; index < dev_info.max_mac_addrs; index++)
>  		if (rte_is_same_ether_addr(&mac, &data->mac_addrs[index]))
>  			return 0;
> --
> 2.25.1
> 

Although rte_eth_dev_info_get() can return various error codes, eth_mac_cmp() returns only 0 or -1, so this is correct.

Reviewed-by: Morten Brørup <mb@smartsharesystems.com>


  reply	other threads:[~2023-01-20 10:21 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-20  4:41 [PATCH v3 00/10] codeql fixes for various subsystems okaya
2023-01-20  4:41 ` [PATCH v3 01/10] ethdev: check return result of rte_eth_dev_info_get okaya
2023-01-20 10:21   ` Morten Brørup [this message]
2023-01-20  4:41 ` [PATCH v3 02/10] memzone: check result of rte_fbarray_get okaya
2023-01-20  4:41 ` [PATCH v3 03/10] memzone: check result of malloc_elem_from_data okaya
2023-01-20  4:41 ` [PATCH v3 04/10] malloc: malloc_elem_join_adjacent_free can return null okaya
2023-01-20  4:41 ` [PATCH v3 05/10] malloc: check result of rte_mem_virt2memseg_list okaya
2023-01-20  4:41 ` [PATCH v3 06/10] malloc: check result of rte_fbarray_get okaya
2023-01-20  4:41 ` [PATCH v3 07/10] malloc: check result of rte_mem_virt2memseg okaya
2023-01-20  4:41 ` [PATCH v3 08/10] malloc: check result of malloc_elem_free okaya
2023-01-20  4:41 ` [PATCH v3 09/10] malloc: check result of elem_start_pt okaya
2023-01-20  4:41 ` [PATCH v3 10/10] bus/vdev: check result of rte_vdev_device_name okaya
2023-01-20 16:47   ` Stephen Hemminger
2023-01-22 20:51     ` Thomas Monjalon
2023-02-06 16:01       ` Sinan Kaya
2023-02-06 18:46         ` Thomas Monjalon
2023-02-06 16:00 ` [PATCH v3 00/10] codeql fixes for various subsystems Sinan Kaya
2023-07-06 22:43 ` Stephen Hemminger
2023-07-10 15:18   ` Sinan Kaya
2023-07-10 17:07 ` [PATCH v4 0/5] fixes for problems found by codeql analyzer Stephen Hemminger
2023-07-10 17:07   ` [PATCH v4 1/5] mailmap: add Sinan Stephen Hemminger
2023-07-10 17:07   ` [PATCH v4 2/5] ethdev: check return result of rte_eth_dev_info_get Stephen Hemminger
2023-12-16 10:06     ` Andrew Rybchenko
2023-12-16 10:08       ` Andrew Rybchenko
2023-07-10 17:07   ` [PATCH v4 3/5] memzone: check result of rte_fbarray_get and malloc_elem_from_data Stephen Hemminger
2023-07-10 17:07   ` [PATCH v4 4/5] malloc: codeql fixes Stephen Hemminger
2023-07-10 17:08   ` [PATCH v4 5/5] bus/vdev: check result of rte_vdev_device_name Stephen Hemminger
2023-12-16 10:10     ` Andrew Rybchenko
2023-07-11  1:37   ` [PATCH v4 0/5] fixes for problems found by codeql analyzer fengchengwen

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