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path: root/drivers/isdn/gigaset/i4l.c
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Diffstat (limited to 'drivers/isdn/gigaset/i4l.c')
-rw-r--r--drivers/isdn/gigaset/i4l.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/isdn/gigaset/i4l.c b/drivers/isdn/gigaset/i4l.c
index 0f13eb1de657..2d75329007f1 100644
--- a/drivers/isdn/gigaset/i4l.c
+++ b/drivers/isdn/gigaset/i4l.c
@@ -229,7 +229,7 @@ static int command_from_LL(isdn_ctrl *cntrl)
return -EINVAL;
}
bcs = cs->bcs + ch;
- if (!gigaset_get_channel(bcs)) {
+ if (gigaset_get_channel(bcs) < 0) {
dev_err(cs->dev, "ISDN_CMD_DIAL: channel not free\n");
return -EBUSY;
}
@@ -618,7 +618,7 @@ void gigaset_isdn_stop(struct cardstate *cs)
* @cs: device descriptor structure.
* @isdnid: device name.
*
- * Return value: 1 for success, 0 for failure
+ * Return value: 0 on success, error code < 0 on failure
*/
int gigaset_isdn_regdev(struct cardstate *cs, const char *isdnid)
{
@@ -627,14 +627,14 @@ int gigaset_isdn_regdev(struct cardstate *cs, const char *isdnid)
iif = kmalloc(sizeof *iif, GFP_KERNEL);
if (!iif) {
pr_err("out of memory\n");
- return 0;
+ return -ENOMEM;
}
if (snprintf(iif->id, sizeof iif->id, "%s_%u", isdnid, cs->minor_index)
>= sizeof iif->id) {
pr_err("ID too long: %s\n", isdnid);
kfree(iif);
- return 0;
+ return -EINVAL;
}
iif->owner = THIS_MODULE;
@@ -656,13 +656,13 @@ int gigaset_isdn_regdev(struct cardstate *cs, const char *isdnid)
if (!register_isdn(iif)) {
pr_err("register_isdn failed\n");
kfree(iif);
- return 0;
+ return -EINVAL;
}
cs->iif = iif;
cs->myid = iif->channels; /* Set my device id */
cs->hw_hdr_len = HW_HDR_LEN;
- return 1;
+ return 0;
}
/**
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