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(parent: 5bdd5fb) | patch
MIPS: WARN_ON invalid DMA cache maintenance, not BUG_ON
authorPaul Burton <paul.burton@imgtec.com>
Fri, 25 Nov 2016 18:46:09 +0000 (18:46 +0000)
committerPaul Burton <paul.burton@mips.com>
Thu, 26 Jul 2018 18:25:01 +0000 (11:25 -0700)
commitd4da0e97baea8768b3d66ccef3967bebd50dfc3b
treefcee6b7bc582968132500911e588d75356a6b422tree | snapshot
parent5bdd5fbb35ab0fe21bf2263106f51c5bee466a07commit | diff
MIPS: WARN_ON invalid DMA cache maintenance, not BUG_ON

If a driver causes DMA cache maintenance with a zero length then we
currently BUG and kill the kernel. As this is a scenario that we may
well be able to recover from, WARN & return in the condition instead.

Signed-off-by: Paul Burton <paul.burton@mips.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Patchwork: https://patchwork.linux-mips.org/patch/14623/
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-mips@linux-mips.org
arch/mips/mm/c-r4k.c diff | blob | history
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