Re: [PATCH] skd: error pointer dereference in skd_cons_disk()

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On 08/23/2017 05:20 AM, Dan Carpenter wrote:
> My initial impulse was to check for IS_ERR_OR_NULL() but when I looked
> at this code a bit more closely, we should only need to check for
> IS_ERR().
> 
> The blk_mq_alloc_tag_set() returns negative error codes and zero on
> success so we can just do an "if (rc) goto err_out;".  It's better to
> preserve the error code anyhow.  The blk_mq_init_queue() returns error
> pointers on failure, it never returns NULL.  We can also remove the
> "q = NULL;" at the start because that's no longer needed.

Applied, thanks Dan.

-- 
Jens Axboe




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