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xhci: dbgtty: Drop extra call to idr_destroy()

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idr_destroy() is already called on error paths in dbc_tty_init(). Do not
call it again on exit. For symmetry with the init side, also use
IS_ERR_OR_NULL() to gate the exit steps.

Signed-off-by: Lucas De Marchi <ldemarchi@nvidia.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://patch.msgid.link/20260806142113.2436238-10-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Lucas De Marchi 2026-08-06 17:21:05 +03:00 committed by Greg Kroah-Hartman
parent 25b8dfc134
commit d4dd5d43fa
1 changed files with 5 additions and 5 deletions
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10
drivers/usb/host/xhci-dbgtty.c
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@ -665,11 +665,11 @@ int dbc_tty_init(void)
void dbc_tty_exit(void)
{
if (dbc_tty_driver) {
tty_unregister_driver(dbc_tty_driver);
tty_driver_kref_put(dbc_tty_driver);
dbc_tty_driver = NULL;
}
if (IS_ERR_OR_NULL(dbc_tty_driver))
return;
tty_unregister_driver(dbc_tty_driver);
tty_driver_kref_put(dbc_tty_driver);
idr_destroy(&dbc_tty_minors);
dbc_tty_driver = NULL;
}