From: Andreas Larsson Date: Wed, 8 Sep 2021 07:48:22 +0000 (+0200) Subject: sparc32: page align size in arch_dma_alloc X-Git-Tag: v5.15~51^2~3 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=59583f747664046aaae5588d56d5954fab66cce8;p=platform%2Fkernel%2Flinux-starfive.git sparc32: page align size in arch_dma_alloc Commit 53b7670e5735 ("sparc: factor the dma coherent mapping into helper") lost the page align for the calls to dma_make_coherent and srmmu_unmapiorange. The latter cannot handle a non page aligned len argument. Signed-off-by: Andreas Larsson Reviewed-by: Sam Ravnborg Signed-off-by: Christoph Hellwig --- diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c index 8e1d72a..7ceae24 100644 --- a/arch/sparc/kernel/ioport.c +++ b/arch/sparc/kernel/ioport.c @@ -356,7 +356,9 @@ err_nomem: void arch_dma_free(struct device *dev, size_t size, void *cpu_addr, dma_addr_t dma_addr, unsigned long attrs) { - if (!sparc_dma_free_resource(cpu_addr, PAGE_ALIGN(size))) + size = PAGE_ALIGN(size); + + if (!sparc_dma_free_resource(cpu_addr, size)) return; dma_make_coherent(dma_addr, size);