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authorChristian Brauner <brauner@kernel.org>2025-09-17 12:01:05 +0200
committerChristian Brauner <brauner@kernel.org>2025-09-19 14:26:14 +0200
commit7914f15c5e45ea6c76f2b3272ff39d8fe67b13f5 (patch)
tree32385a82110d012928536d7787b024add8818f63 /drivers/atm/atmtcp.c
parent885fc8ac0a4dc70f5d87b80b0977292870e35c60 (diff)
parent38f4885088fc5ad41b8b0a2a2cfc73d01e709e5c (diff)
Merge branch 'no-rebase-mnt_ns_tree_remove'
Bring in the fix for removing a mount namespace from the mount namespace rbtree and list. Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'drivers/atm/atmtcp.c')
-rw-r--r--drivers/atm/atmtcp.c17
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/atm/atmtcp.c b/drivers/atm/atmtcp.c
index eeae160c898d..fa3c76a2b49d 100644
--- a/drivers/atm/atmtcp.c
+++ b/drivers/atm/atmtcp.c
@@ -279,6 +279,19 @@ static struct atm_vcc *find_vcc(struct atm_dev *dev, short vpi, int vci)
return NULL;
}
+static int atmtcp_c_pre_send(struct atm_vcc *vcc, struct sk_buff *skb)
+{
+ struct atmtcp_hdr *hdr;
+
+ if (skb->len < sizeof(struct atmtcp_hdr))
+ return -EINVAL;
+
+ hdr = (struct atmtcp_hdr *)skb->data;
+ if (hdr->length == ATMTCP_HDR_MAGIC)
+ return -EINVAL;
+
+ return 0;
+}
static int atmtcp_c_send(struct atm_vcc *vcc,struct sk_buff *skb)
{
@@ -288,9 +301,6 @@ static int atmtcp_c_send(struct atm_vcc *vcc,struct sk_buff *skb)
struct sk_buff *new_skb;
int result = 0;
- if (skb->len < sizeof(struct atmtcp_hdr))
- goto done;
-
dev = vcc->dev_data;
hdr = (struct atmtcp_hdr *) skb->data;
if (hdr->length == ATMTCP_HDR_MAGIC) {
@@ -347,6 +357,7 @@ static const struct atmdev_ops atmtcp_v_dev_ops = {
static const struct atmdev_ops atmtcp_c_dev_ops = {
.close = atmtcp_c_close,
+ .pre_send = atmtcp_c_pre_send,
.send = atmtcp_c_send
};