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Date:   Mon, 17 Aug 2020 15:01:23 -0700 (PDT)
From:   David Miller <>
Subject: Re: [PATCH v3] net: qrtr: fix usage of idr in port assignment to

From: Necip Fazil Yildiran <>
Date: Mon, 17 Aug 2020 15:54:48 +0000

> 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: bdabad3e363d ("net: Add Qualcomm IPC router")
> Reported-by:
> Signed-off-by: Necip Fazil Yildiran <>
> Reviewed-by: Dmitry Vyukov <>

Applied and queued up for -stable, thank you.

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