diff options
Diffstat (limited to 'drivers/fpga/microchip-spi.c')
| -rw-r--r-- | drivers/fpga/microchip-spi.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/fpga/microchip-spi.c b/drivers/fpga/microchip-spi.c index 6134cea86ac8..cc8f6d7bb978 100644 --- a/drivers/fpga/microchip-spi.c +++ b/drivers/fpga/microchip-spi.c @@ -116,6 +116,9 @@ static int mpf_ops_parse_header(struct fpga_manager *mgr, } header_size = *(buf + MPF_HEADER_SIZE_OFFSET); + if (!header_size) + return -EINVAL; + if (header_size > count) { info->header_size = header_size; return -EAGAIN; |