sfc: Avoid assignment in an if-statement, reported by checkpatch

Fix the following error:

ERROR: do not use assignment in if condition

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>

diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c
index 11cc585..0539a8d 100644 (file)
--- a/drivers/net/ethernet/sfc/efx.c
+++ b/drivers/net/ethernet/sfc/efx.c
@@ -1069,9 +1069,11 @@ static int efx_init_io(struct efx_nic *efx)
         * masks event though they reject 46 bit masks.
         */
        while (dma_mask > 0x7fffffffUL) {
-               if (pci_dma_supported(pci_dev, dma_mask) &&
-                   ((rc = pci_set_dma_mask(pci_dev, dma_mask)) == 0))
-                       break;
+               if (pci_dma_supported(pci_dev, dma_mask)) {
+                       rc = pci_set_dma_mask(pci_dev, dma_mask);
+                       if (rc == 0)
+                               break;
+               }
                dma_mask >>= 1;
        }
        if (rc) {