sparc32: page align size in arch_dma_alloc

Commit 53b7670 ("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 <[email protected]> Reviewed-by: Sam Ravnborg <[email protected]> Signed-off-by: Christoph Hellwig <[email protected]>
zandrey · Sep 14, 2021 · 59583f7 · 59583f7
1 parent 510e1a7
commit 59583f7
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c
@@ -356,7 +356,9 @@ void *arch_dma_alloc(struct device *dev, size_t size, dma_addr_t *dma_handle,
 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);