Alan, On Tue, May 07, 2019 at 02:11:06PM -0500, Alan Tull wrote: > On Tue, May 7, 2019 at 12:03 PM Moritz Fischer <mdf@xxxxxxxxxx> wrote: > > Hi Moritz, > > > > > Fixes the following static checker error: > > > > drivers/fpga/zynqmp-fpga.c:50 zynqmp_fpga_ops_write() > > error: 'eemi_ops' dereferencing possible ERR_PTR() > > > > Note: This does not handle the EPROBE_DEFER value in a > > special manner. > > > > Fixes commit c09f7471127e ("fpga manager: Adding FPGA Manager support for > > Xilinx zynqmp") > > Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> > > Signed-off-by: Moritz Fischer <mdf@xxxxxxxxxx> > > --- > > drivers/fpga/zynqmp-fpga.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/drivers/fpga/zynqmp-fpga.c b/drivers/fpga/zynqmp-fpga.c > > index f7cbaadf49ab..abcb0b2e75bf 100644 > > --- a/drivers/fpga/zynqmp-fpga.c > > +++ b/drivers/fpga/zynqmp-fpga.c > > @@ -47,7 +47,7 @@ static int zynqmp_fpga_ops_write(struct fpga_manager *mgr, > > char *kbuf; > > int ret; > > > > - if (!eemi_ops || !eemi_ops->fpga_load) > > + if (IS_ERR_OR_NULL(eemi_ops) || !eemi_ops->fpga_load) > > This if statement also happens in fpga_mgr_states > zynqmp_fpga_ops_state(), so we'll need this fix there also. Good catch, will fix in v2. Thanks Moritz