From b283d6ba67a7b4c5914949ef1d756bf88cb3a0e4 Mon Sep 17 00:00:00 2001 From: Alexander Dahl Date: Fri, 28 Jun 2019 14:41:23 +0200 Subject: [PATCH] fpga: altera: cyclon2: Check function pointer before calling As already done for the 'pre' function, a check is added to not follow a NULL pointer, if somebody has not assigned a 'post' function. Signed-off-by: Alexander Dahl --- drivers/fpga/cyclon2.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/fpga/cyclon2.c b/drivers/fpga/cyclon2.c index ab979b017a..c929cd2cc5 100644 --- a/drivers/fpga/cyclon2.c +++ b/drivers/fpga/cyclon2.c @@ -183,8 +183,12 @@ static int CYC2_ps_load(Altera_desc *desc, const void *buf, size_t bsize) else puts("Fail.\n"); #endif - (*fn->post) (cookie); + /* + * Run the post configuration function if there is one. + */ + if (*fn->post) + (*fn->post) (cookie); } else { printf("%s: NULL Interface function table!\n", __func__); }