[PATCH] usb: avoid NULL check before free

[Heinrich Schuchardt]

The free() function checks if the argument is NULL.
Do not duplicate this check.

Signed-off-by: Heinrich Schuchardt <xypron.glpk at gmx.de>
---
 drivers/usb/host/ehci-hcd.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 1edb344d0f..a2a85db1e7 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -1413,13 +1413,10 @@ static struct int_queue *_ehci_create_int_queue(struct usb_device *dev,
 	debug("Exit create_int_queue\n");
 	return result;
 fail3:
-	if (result->tds)
-		free(result->tds);
+	free(result->tds);
 fail2:
-	if (result->first)
-		free(result->first);
-	if (result)
-		free(result);
+	free(result->first);
+	free(result);
 fail1:
 	return NULL;
 }
--
2.25.1