1 files changed, 1 insertions, 1 deletions

diff --git a/arch/powerpc/platforms/iseries/mf.c b/arch/powerpc/platforms/iseries/mf.c
index fef4d515051..0d9343df35b 100644
--- a/arch/powerpc/platforms/iseries/mf.c
+++ b/arch/powerpc/platforms/iseries/mf.c
@@ -872,7 +872,7 @@ static int proc_mf_dump_cmdline(char *page, char **start, off_t off,
                 count = 256 - off;
 
         dma_addr = iseries_hv_map(page, off + count, DMA_FROM_DEVICE);
-        if (dma_mapping_error(NULL, dma_addr))
+        if (dma_addr == DMA_ERROR_CODE)
                 return -ENOMEM;
         memset(page, 0, off + count);
         memset(&vsp_cmd, 0, sizeof(vsp_cmd));