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Date:   Mon, 25 Mar 2019 22:23:16 -0400
From:   "Martin K. Petersen" <>
To:     Nathan Chancellor <>
Cc:     "James E.J. Bottomley" <>,
        "Martin K. Petersen" <>,
        Achim Leubner <>,,,,
        Nick Desaulniers <>
Subject: Re: [PATCH] scsi: gdth: Only call dma_free_coherent when buf is not NULL in ioc_general


> When building with -Wsometimes-uninitialized, Clang warns:
> drivers/scsi/gdth.c:3662:6: warning: variable 'paddr' is used
> uninitialized whenever 'if' condition is false
> [-Wsometimes-uninitialized]
> Don't attempt to call dma_free_coherent when buf is NULL (meaning that
> we never called dma_alloc_coherent and initialized paddr), which avoids
> this warning.

Applied to 5.2/scsi-queue, thanks.

Martin K. Petersen	Oracle Linux Engineering

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