It should be called after dgap_tty_register_ports() is failed.
So channels which are allocated in dgap_tty_init() will be freed.
Signed-off-by: Daeseok Youn <daeseok.y...@gmail.com>
---
drivers/staging/dgap/dgap.c | 17 ++++++++++++++++-
1 files changed, 16 insertions(+), 1 deletions(-)
diff --git a/drivers/staging/dgap/dgap.c b/drivers/staging/dgap/dgap.c
index 352eb1b..eab8fd5 100644
--- a/drivers/staging/dgap/dgap.c
+++ b/drivers/staging/dgap/dgap.c
@@ -123,6 +123,7 @@ static void dgap_tty_send_xchar(struct tty_struct *tty,
char ch);
static int dgap_tty_register(struct board_t *brd);
static int dgap_tty_init(struct board_t *);
+static void dgap_tty_free(struct board_t *);
static void dgap_cleanup_tty(struct board_t *);
static void dgap_carrier(struct channel_t *ch);
static void dgap_input(struct channel_t *ch);
@@ -960,8 +961,10 @@ static int dgap_firmware_load(struct pci_dev *pdev, int
card_type)
return ret;
ret = dgap_tty_register_ports(brd);
- if (ret)
+ if (ret) {
+ dgap_tty_free(brd);
return ret;
+ }
brd->state = BOARD_READY;
brd->dpastatus = BD_RUNNING;
@@ -1488,6 +1491,18 @@ free_chan:
}
/*
+ * dgap_tty_free()
+ *
+ * Free the channles which are allocated in dgap_tty_init().
+ */
+static void dgap_tty_free(struct board_t *brd)
+{
+ int i;
+
+ for (i = 0; i < brd->nasync; i++)
+ kfree(brd->channels[i]);
+}
+/*
* dgap_cleanup_tty()
*
* Uninitialize the TTY portion of this driver. Free all memory and
--
1.7.1
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