USB: cdc-wdm: fix misuse of logical operation in place of bitop

CC: Greg Kroah-Hartman <gregkh@suse.de>
CC: Oliver Neukum <oliver@neukum.org>
CC: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index 6ee4451..47085e5 100644 (file)
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -342,7 +342,7 @@ static ssize_t wdm_write
                goto outnp;
        }
 
-       if (!file->f_flags && O_NONBLOCK)
+       if (!(file->f_flags & O_NONBLOCK))
                r = wait_event_interruptible(desc->wait, !test_bit(WDM_IN_USE,
                                                                &desc->flags));
        else