diff options
| -rw-r--r-- | drivers/staging/dgnc/dgnc_tty.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/staging/dgnc/dgnc_tty.c b/drivers/staging/dgnc/dgnc_tty.c index 5832190..7f73a41 100644 --- a/drivers/staging/dgnc/dgnc_tty.c +++ b/drivers/staging/dgnc/dgnc_tty.c @@ -1106,6 +1106,14 @@ static int dgnc_tty_open(struct tty_struct *tty, struct file *file) if (!ch->ch_wqueue) ch->ch_wqueue = kzalloc(WQUEUESIZE, GFP_KERNEL); + if (!ch->ch_rqueue || !ch->ch_equeue || !ch->ch_wqueue) { + kfree(ch->ch_rqueue); + kfree(ch->ch_equeue); + kfree(ch->ch_wqueue); + + return -ENOMEM; + } + spin_lock_irqsave(&ch->ch_lock, flags); ch->ch_flags &= ~(CH_OPENING); |