From 5897914f0abb276dddd8fea257782c489acb290b Mon Sep 17 00:00:00 2001 From: Daeseok Youn Date: Mon, 26 Sep 2016 09:45:14 +0900 Subject: [PATCH] staging: dgnc: introduce the dgnc_free_irq() The dgnc_free_irq() will free the requested IRQ from the dgnc_request_irq(). Signed-off-by: Daeseok Youn Signed-off-by: Greg Kroah-Hartman --- drivers/staging/dgnc/dgnc_driver.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/drivers/staging/dgnc/dgnc_driver.c b/drivers/staging/dgnc/dgnc_driver.c index 70e68b56adb2..81ce5c4755c3 100644 --- a/drivers/staging/dgnc/dgnc_driver.c +++ b/drivers/staging/dgnc/dgnc_driver.c @@ -38,6 +38,7 @@ MODULE_SUPPORTED_DEVICE("dgnc"); */ static int dgnc_start(void); static int dgnc_request_irq(struct dgnc_board *brd); +static void dgnc_free_irq(struct dgnc_board *brd); static struct dgnc_board *dgnc_found_board(struct pci_dev *pdev, int id); static void dgnc_cleanup_board(struct dgnc_board *brd); static void dgnc_poll_handler(ulong dummy); @@ -305,7 +306,7 @@ static int dgnc_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) rc = dgnc_tty_init(brd); if (rc < 0) { pr_err(DRVSTR ": Can't init tty devices (%d)\n", rc); - goto unregister_tty; + goto free_irq; } brd->state = BOARD_READY; @@ -317,6 +318,8 @@ static int dgnc_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) return 0; +free_irq: + dgnc_free_irq(brd); unregister_tty: dgnc_tty_unregister(brd); @@ -577,6 +580,12 @@ static int dgnc_request_irq(struct dgnc_board *brd) return rc; } +static void dgnc_free_irq(struct dgnc_board *brd) +{ + if (brd->irq) + free_irq(brd->irq, brd); +} + /* * Remap PCI memory. */ -- 2.39.5