From: Dan Carpenter <dan.carpenter@xxxxxxxxxx> commit d2cabd2dc8da78faf9b690ea521d03776686c9fe upstream. I tried to make this check stricter as a hardenning measure but it broke audo and wifi on these devices so revert it. Fixes: aaa8e4922c88 ("net: qrtr: make checks in qrtr_endpoint_post() stricter") Reported-by: John Stultz <john.stultz@xxxxxxxxxx> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> Tested-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx> Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx> Cc: Steev Klimaszewski <steev@xxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- net/qrtr/qrtr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/net/qrtr/qrtr.c +++ b/net/qrtr/qrtr.c @@ -493,7 +493,7 @@ int qrtr_endpoint_post(struct qrtr_endpo goto err; } - if (!size || size & 3 || len != size + hdrlen) + if (!size || len != ALIGN(size, 4) + hdrlen) goto err; if (cb->dst_port != QRTR_PORT_CTRL && cb->type != QRTR_TYPE_DATA &&