Commit 6c258edc authored by Todd Poynor's avatar Todd Poynor Committed by Greg Kroah-Hartman
Browse files

staging: gasket: page table: use dma_mapping_error for error detection 



gasket_perform_mapping() call dma_mapping_error() to determine if
mapping failed.

Signed-off-by: default avatarTodd Poynor <toddpoynor@google.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 1fdd6d72

drivers/staging/gasket/gasket_page_table.c

+2 −1
Original line number Diff line number Diff line
@@ -493,7 +493,8 @@ static int gasket_perform_mapping(struct gasket_page_table *pg_tbl, 
				(void *)page_to_pfn(page),

				(unsigned long long)ptes[i].dma_addr);



			if (ptes[i].dma_addr == -1) {

			if (dma_mapping_error(pg_tbl->device,

					      ptes[i].dma_addr)) {

				dev_dbg(pg_tbl->device,

					"%s i %d -> fail to map page %llx "

					"[pfn %p ohys %p]\n",

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