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-rw-r--r--drivers/soc/qcom/smd.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/soc/qcom/smd.c b/drivers/soc/qcom/smd.c
index 18964f1..88353bd 100644
--- a/drivers/soc/qcom/smd.c
+++ b/drivers/soc/qcom/smd.c
@@ -723,6 +723,10 @@ int qcom_smd_send(struct qcom_smd_channel *channel, const void *data, int len)
if (channel->info_word && len % 4)
return -EINVAL;
+ /* Reject packets that are too big */
+ if (tlen >= channel->fifo_size)
+ return -EINVAL;
+
ret = mutex_lock_interruptible(&channel->tx_lock);
if (ret)
return ret;
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