USB: add URB_FREE_BUFFER to permissible flags

patch 0b28baaf74ca04be2e0cc4d4dd2bbc801697f744 in mainline.

URB_FREE_BUFFER needs to be allowed in the sanity checks to use drivers that
use that flag.

Signed-off-by: Oliver Neukum <oneukum@suse.de>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/core/urb.c b/drivers/usb/core/urb.c
index be630228461c046d06fe5232ea91466ad75e861d..3da7979134344ef38a20e99ab2f9389ac42ec2bb 100644 (file)
--- a/drivers/usb/core/urb.c
+++ b/drivers/usb/core/urb.c
@@ -358,7 +358,7 @@ int usb_submit_urb(struct urb *urb, gfp_t mem_flags)
 
        /* enforce simple/standard policy */
        allowed = (URB_NO_TRANSFER_DMA_MAP | URB_NO_SETUP_DMA_MAP |
-                       URB_NO_INTERRUPT);
+                       URB_NO_INTERRUPT | URB_FREE_BUFFER);
        switch (temp) {
        case PIPE_BULK:
                if (is_out)