diff options
| author | Daeseok Youn <daeseok.youn@gmail.com> | 2016-09-26 00:43:51 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-09-27 11:12:26 (GMT) |
| commit | eea5fd116401ed89994e11a6cc1a2e0bee83d8c9 (patch) | |
| tree | 85ca6227462df2553857dedfe139153b144f1426 /drivers/staging/dgnc | |
| parent | f20ae478ffcf5f191dc7b9aea0489b85e97c8e4e (diff) | |
| download | linux-eea5fd116401ed89994e11a6cc1a2e0bee83d8c9.tar.xz | |
staging: dgnc: introduce the dgnc_tty_unregister()
The dgnc_tty_unregister() will be called when
the dgnc_tty_register() is failed.
Signed-off-by: Daeseok Youn <daeseok.youn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/dgnc')
| -rw-r--r-- | drivers/staging/dgnc/dgnc_driver.c | 7 | ||||
| -rw-r--r-- | drivers/staging/dgnc/dgnc_tty.c | 8 | ||||
| -rw-r--r-- | drivers/staging/dgnc/dgnc_tty.h | 1 |
3 files changed, 14 insertions, 2 deletions
diff --git a/drivers/staging/dgnc/dgnc_driver.c b/drivers/staging/dgnc/dgnc_driver.c index a95d13c..ffe55a2 100644 --- a/drivers/staging/dgnc/dgnc_driver.c +++ b/drivers/staging/dgnc/dgnc_driver.c @@ -299,13 +299,13 @@ static int dgnc_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) rc = dgnc_finalize_board_init(brd); if (rc < 0) { pr_err(DRVSTR ": Can't finalize board init (%d)\n", rc); - goto failed; + goto unregister_tty; } rc = dgnc_tty_init(brd); if (rc < 0) { pr_err(DRVSTR ": Can't init tty devices (%d)\n", rc); - goto failed; + goto unregister_tty; } brd->state = BOARD_READY; @@ -317,6 +317,9 @@ static int dgnc_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) return 0; +unregister_tty: + dgnc_tty_unregister(brd); + failed: kfree(brd); diff --git a/drivers/staging/dgnc/dgnc_tty.c b/drivers/staging/dgnc/dgnc_tty.c index 1c1ac84..4f78195 100644 --- a/drivers/staging/dgnc/dgnc_tty.c +++ b/drivers/staging/dgnc/dgnc_tty.c @@ -273,6 +273,14 @@ free_serial_driver: return rc; } +void dgnc_tty_unregister(struct dgnc_board *brd) +{ + tty_unregister_driver(brd->print_driver); + tty_unregister_driver(brd->serial_driver); + put_tty_driver(brd->print_driver); + put_tty_driver(brd->serial_driver); +} + /* * dgnc_tty_init() * diff --git a/drivers/staging/dgnc/dgnc_tty.h b/drivers/staging/dgnc/dgnc_tty.h index 21d3369..f065c8f 100644 --- a/drivers/staging/dgnc/dgnc_tty.h +++ b/drivers/staging/dgnc/dgnc_tty.h @@ -19,6 +19,7 @@ #include "dgnc_driver.h" int dgnc_tty_register(struct dgnc_board *brd); +void dgnc_tty_unregister(struct dgnc_board *brd); int dgnc_tty_preinit(void); int dgnc_tty_init(struct dgnc_board *); |