[PATCH 03/14] staging: gasket: gasket_handle_ioctl fix ioctl exit trace param

From: Todd Poynor
Date: Sat Jul 21 2018 - 09:00:21 EST


From: Todd Poynor <toddpoynor@xxxxxxxxxx>

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

Reported-by: Dmitry Torokhov <dtor@xxxxxxxxxxxx>
Signed-off-by: Todd Poynor <toddpoynor@xxxxxxxxxx>
---
drivers/staging/gasket/gasket_ioctl.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/gasket/gasket_ioctl.c b/drivers/staging/gasket/gasket_ioctl.c
index dbe9fdef0c268..1b164ac7a0496 100644
--- a/drivers/staging/gasket/gasket_ioctl.c
+++ b/drivers/staging/gasket/gasket_ioctl.c
@@ -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);
--
2.18.0.233.g985f88cf7e-goog