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staging: gasket: gasket_handle_ioctl fix ioctl exit trace param

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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 Greg Kroah-Hartman
commit 8fc1cb4cef
1 changed files with 1 additions and 1 deletions
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2
drivers/staging/gasket/gasket_ioctl.c
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@ -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);