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path: root/drivers/isdn/gigaset/ser-gigaset.c
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Diffstat (limited to 'drivers/isdn/gigaset/ser-gigaset.c')
-rw-r--r--drivers/isdn/gigaset/ser-gigaset.c21
1 files changed, 12 insertions, 9 deletions
diff --git a/drivers/isdn/gigaset/ser-gigaset.c b/drivers/isdn/gigaset/ser-gigaset.c
index 6f3fd4cf4378..8c91fd5eb6fd 100644
--- a/drivers/isdn/gigaset/ser-gigaset.c
+++ b/drivers/isdn/gigaset/ser-gigaset.c
@@ -340,17 +340,16 @@ static int gigaset_initbcshw(struct bc_state *bcs)
{
/* unused */
bcs->hw.ser = NULL;
- return 1;
+ return 0;
}
/*
* Free B channel structure
* Called by "gigaset_freebcs" in common.c
*/
-static int gigaset_freebcshw(struct bc_state *bcs)
+static void gigaset_freebcshw(struct bc_state *bcs)
{
/* unused */
- return 1;
}
/*
@@ -398,7 +397,7 @@ static int gigaset_initcshw(struct cardstate *cs)
scs = kzalloc(sizeof(struct ser_cardstate), GFP_KERNEL);
if (!scs) {
pr_err("out of memory\n");
- return 0;
+ return -ENOMEM;
}
cs->hw.ser = scs;
@@ -410,13 +409,13 @@ static int gigaset_initcshw(struct cardstate *cs)
pr_err("error %d registering platform device\n", rc);
kfree(cs->hw.ser);
cs->hw.ser = NULL;
- return 0;
+ return rc;
}
dev_set_drvdata(&cs->hw.ser->dev.dev, cs);
tasklet_init(&cs->write_tasklet,
gigaset_modem_fill, (unsigned long) cs);
- return 1;
+ return 0;
}
/*
@@ -503,6 +502,7 @@ static int
gigaset_tty_open(struct tty_struct *tty)
{
struct cardstate *cs;
+ int rc;
gig_dbg(DEBUG_INIT, "Starting HLL for Gigaset M101");
@@ -515,8 +515,10 @@ gigaset_tty_open(struct tty_struct *tty)
/* allocate memory for our device state and initialize it */
cs = gigaset_initcs(driver, 1, 1, 0, cidmode, GIGASET_MODULENAME);
- if (!cs)
+ if (!cs) {
+ rc = -ENODEV;
goto error;
+ }
cs->dev = &cs->hw.ser->dev.dev;
cs->hw.ser->tty = tty;
@@ -530,7 +532,8 @@ gigaset_tty_open(struct tty_struct *tty)
*/
if (startmode == SM_LOCKED)
cs->mstate = MS_LOCKED;
- if (!gigaset_start(cs)) {
+ rc = gigaset_start(cs);
+ if (rc < 0) {
tasklet_kill(&cs->write_tasklet);
goto error;
}
@@ -542,7 +545,7 @@ error:
gig_dbg(DEBUG_INIT, "Startup of HLL failed");
tty->disc_data = NULL;
gigaset_freecs(cs);
- return -ENODEV;
+ return rc;
}
/*