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Date:   Mon, 17 Aug 2020 08:29:23 -0700
From:   Jakub Kicinski <>
To:     Necip Fazil Yildiran <>
Subject: Re: [PATCH v2] net: qrtr: fix usage of idr in port assignment to

On Mon, 17 Aug 2020 07:39:01 +0000 Necip Fazil Yildiran wrote:
> From: Necip Fazil Yildiran <>
> Passing large uint32 sockaddr_qrtr.port numbers for port allocation
> triggers a warning within idr_alloc() since the port number is cast
> to int, and thus interpreted as a negative number. This leads to
> the rejection of such valid port numbers in qrtr_port_assign() as
> idr_alloc() fails.
> To avoid the problem, switch to idr_alloc_u32() instead.
> Fixes: bdabad3e36 ("net: Add Qualcomm IPC router")
> Reported-by:
> Signed-off-by: Necip Fazil Yildiran <>
> Reviewed-by: Dmitry Vyukov <>

Fixes tag: Fixes: bdabad3e36 ("net: Add Qualcomm IPC router")
Has these problem(s):
	- SHA1 should be at least 12 digits long
	  Can be fixed by setting core.abbrev to 12 (or more) or (for git v2.11
	  or later) just making sure it is not set (or set to "auto").

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