staging: gasket: gasket_handle_ioctl fix ioctl exit trace param

Pass the return value from the device ioctl permissions callback to the
tracepoint when the callback returns an error.

Reported-by: Dmitry Torokhov <dtor@chromium.org>
Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Todd Poynor
2018-07-21 06:34:56 -07:00
committed by Alex Van Damme
parent 22f2487a18
commit 98e0a3cbf4

View File

@@ -65,7 +65,7 @@ long gasket_handle_ioctl(struct file *filp, uint cmd, void __user *argp)
if (ioctl_permissions_cb) {
retval = ioctl_permissions_cb(filp, cmd, argp);
if (retval < 0) {
trace_gasket_ioctl_exit(-EPERM);
trace_gasket_ioctl_exit(retval);
return retval;
} else if (retval == 0) {
trace_gasket_ioctl_exit(-EPERM);