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Groups > linux.kernel > #1715330
| From | David Miller <davem@davemloft.net> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] nfp: fix infinite loop on umapping cleanup |
| Date | 2017-08-18 19:30 +0200 |
| Message-ID | <ufTfP-6OC-7@gated-at.bofh.it> (permalink) |
| References | <ufNtL-2V8-17@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
From: Colin King <colin.king@canonical.com>
Date: Fri, 18 Aug 2017 12:11:50 +0100
> From: Colin Ian King <colin.king@canonical.com>
>
> The while loop that performs the dma page unmapping never decrements
> index counter f and hence loops forever. Fix this with a pre-decrement
> on f.
>
> Detected by CoverityScan, CID#1357309 ("Infinite loop")
>
> Fixes: 4c3523623dc0 ("net: add driver for Netronome NFP4000/NFP6000 NIC VFs")
> Signed-off-by: Colin Ian King <colin.king@canonical.com>
Applied and queued up for -stable.
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[PATCH] nfp: fix infinite loop on umapping cleanup Colin King <colin.king@canonical.com> - 2017-08-18 13:20 +0200 Re: [oss-drivers] [PATCH] nfp: fix infinite loop on umapping cleanup Jakub Kicinski <jakub.kicinski@netronome.com> - 2017-08-18 16:40 +0200 Re: [PATCH] nfp: fix infinite loop on umapping cleanup David Miller <davem@davemloft.net> - 2017-08-18 19:30 +0200
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