[PATCH] usb: avoid NULL check before free

The free() function checks if the argument is NULL. Do not duplicate this check.
Signed-off-by: Heinrich Schuchardt xypron.glpk@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

On 4/19/20 12:02 PM, Heinrich Schuchardt wrote:
The free() function checks if the argument is NULL. Do not duplicate this check.
Signed-off-by: Heinrich Schuchardt xypron.glpk@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
Applied, thanks
participants (2)
-
Heinrich Schuchardt
-
Marek Vasut