@@ -28,7 +28,7 @@ static void dbc_ring_free(struct device *dev, struct xhci_ring *ring)
if (!ring)
return;
- if (ring->first_seg && ring->first_seg->trbs) {
+ if (ring->first_seg) {
dma_free_coherent(dev, TRB_SEGMENT_SIZE,
ring->first_seg->trbs,
ring->first_seg->dma);
@@ -394,9 +394,8 @@ static int dbc_erst_alloc(struct device *dev, struct xhci_ring *evt_ring,
static void dbc_erst_free(struct device *dev, struct xhci_erst *erst)
{
- if (erst->entries)
- dma_free_coherent(dev, sizeof(struct xhci_erst_entry),
- erst->entries, erst->erst_dma_addr);
+ dma_free_coherent(dev, sizeof(struct xhci_erst_entry), erst->entries,
+ erst->erst_dma_addr);
erst->entries = NULL;
}
@@ -543,11 +542,8 @@ static void xhci_dbc_mem_cleanup(struct xhci_dbc *dbc)
xhci_dbc_eps_exit(dbc);
- if (dbc->string) {
- dma_free_coherent(dbc->dev, dbc->string_size,
- dbc->string, dbc->string_dma);
- dbc->string = NULL;
- }
+ dma_free_coherent(dbc->dev, dbc->string_size, dbc->string, dbc->string_dma);
+ dbc->string = NULL;
dbc_free_ctx(dbc->dev, dbc->ctx);
dbc->ctx = NULL;
dma_free_coherent() is NULL-aware, not necessary to check for the parameter twice. Drop duplicate conditionals in the caller. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> --- drivers/usb/host/xhci-dbgcap.c | 14 +++++--------- 1 file changed, 5 insertions(+), 9 deletions(-)