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From: Thomas Monjalon <thomas@monjalon.net>
To: "Min Hu (Connor)" <humin29@huawei.com>
Cc: dev@dpdk.org, ferruh.yigit@intel.com, erik.g.carrillo@intel.com,
 rsanford@akamai.com
Date: Mon, 10 May 2021 16:13:35 +0200
Message-ID: <9479806.yrmItbF8Ka@thomas>
In-Reply-To: <1620090469-30484-1-git-send-email-humin29@huawei.com>
References: <1619083120-57343-1-git-send-email-humin29@huawei.com>
 <1620090469-30484-1-git-send-email-humin29@huawei.com>
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Subject: Re: [dpdk-dev] [PATCH v2] test/timer: fix memzone reserve failure
 check
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04/05/2021 03:07, Min Hu (Connor):
> Segmentation fault may occur without checking if memzone
> reserves succeed or not.

The sentence is confusing. Please try to make it more logical.
Something like "It was potentially dereferencing a null pointer.
It is fixed by checking the pointer before dereferencing."

> 
> This patch fixed it.
> 
> Fixes: 50247fe03fe0 ("test/timer: exercise new APIs in secondary process")
> Cc: stable@dpdk.org
> 
> Signed-off-by: Min Hu (Connor) <humin29@huawei.com>
[...]
> -		test_info = mz->addr;
> -		TEST_ASSERT_NOT_NULL(test_info, "Couldn't allocate memory for "
> +		TEST_ASSERT_NOT_NULL(mz, "Couldn't allocate memory for "
>  				     "test data");

Error messages should not be split. I makes search difficult.
Please fix it in this patch while touching this line.