linux-kernel - Re: [PATCH] megaraid: fix error check return value of register

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Message-ID: <yq11qxkt2t2.fsf@ca-mkp.ca.oracle.com>
Date:   Tue, 26 Apr 2022 09:03:17 -0400
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     cgel.zte@...il.com
Cc:     kashyap.desai@...adcom.com, sumit.saxena@...adcom.com,
        shivasharan.srikanteshwara@...adcom.com, jejb@...ux.ibm.com,
        martin.petersen@...cle.com, megaraidlinux.pdl@...adcom.com,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
        Lv Ruyi <lv.ruyi@....com.cn>, Zeal Robot <zealci@....com.cn>
Subject: Re: [PATCH] megaraid: fix error check return value of
 register_chrdev()


> If major equal 0, register_chrdev() returns error code when it fails.
> This function dynamically allocate a major and return its number on
> success, so we should use "< 0" to check it instead of "!".

Applied to 5.19/scsi-staging, thanks!

-- 
Martin K. Petersen	Oracle Linux Engineering