The dgnc_tty_unregister() will be called when
the dgnc_tty_register() is failed.
Signed-off-by: Daeseok Youn <daeseok.youn@xxxxxxxxx>
---
RESEND: send the whole series again. Because I missed some patches
when the V2 patches sent.
drivers/staging/dgnc/dgnc_driver.c | 7 +++++--
drivers/staging/dgnc/dgnc_tty.c | 8 ++++++++
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 fd46ef0..893f473 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 *);
--
1.9.1
--
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