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net: qrtr: Handle error from skb_put_padto

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skb_put_padto() will free the skb if it fails to add the requested
padding to the skb. Drop the packet if we are unable to allocate a new
skb with the requested padding.

Change-Id: I5503c99679c7e6ecf767d3f632d72da5315988f1
Signed-off-by: Chris Lew <clew@codeaurora.org>
This commit is contained in:
Chris Lew 2019-10-09 17:51:15 -07:00
commit 5080da6767
1 changed files with 6 additions and 1 deletions
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7
net/qrtr/qrtr.c
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@ -606,8 +606,13 @@ static int qrtr_node_enqueue(struct qrtr_node *node, struct sk_buff *skb,
hdr->size = cpu_to_le32(len);
hdr->confirm_rx = !!confirm_rx;
skb_put_padto(skb, ALIGN(len, 4) + sizeof(*hdr));
qrtr_log_tx_msg(node, hdr, skb);
rc = skb_put_padto(skb, ALIGN(len, 4) + sizeof(*hdr));
if (rc) {
pr_err("%s: failed to pad size %lu to %lu rc:%d\n", __func__,
len, ALIGN(len, 4) + sizeof(*hdr), rc);
return rc;
}
mutex_lock(&node->ep_lock);
if (node->ep)