diff options
| -rw-r--r-- | drivers/firmware/firmware-zynqmp.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/firmware/firmware-zynqmp.c b/drivers/firmware/firmware-zynqmp.c index 7e0acc5bc8a..b44fede3079 100644 --- a/drivers/firmware/firmware-zynqmp.c +++ b/drivers/firmware/firmware-zynqmp.c @@ -29,6 +29,10 @@ static int ipi_req(const u32 *req, size_t req_len, u32 *res, size_t res_maxlen) { struct zynqmp_ipi_msg msg; int ret; + u32 buffer[PAYLOAD_ARG_CNT]; + + if (!res) + res = buffer; if (req_len > PMUFW_PAYLOAD_ARG_CNT || res_maxlen > PMUFW_PAYLOAD_ARG_CNT) |