fpga: stratix10-soc: fix use-after-free on s10_init()

The refcount of fw_np has already been decreased by of_find_matching_node()
so it shouldn't be used anymore.
This patch adds an of_node_get() before of_find_matching_node() to avoid
the use-after-free problem.

Fixes: e7eef1d7633a ("fpga: add intel stratix10 soc fpga manager driver")
Signed-off-by: Wen Yang <[email protected]>
Cc: Alan Tull <[email protected]>
Cc: Moritz Fischer <[email protected]>
Cc: Nicolas Saenz Julienne <[email protected]>
Cc: [email protected]
Cc: [email protected]
Reviewed-by: Moritz Fischer <[email protected]>
Reviewed-by: Nicolas Saenz Julienne <[email protected]>
Acked-by: Alan Tull <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

0 files changed, 0 insertions, 0 deletions