"fse->index" is a u32 that come from the user. We want negative values
of "index" to be treated as -EINVAL but they're not so we can read from
before the start of the res_table[] array.
I've fixed this by making "res_num" a u32. I made "cur_res" a u32 as
well, just for consistency.
Fixes: a49d25364dfb ("staging/atomisp: Add support for the Intel IPU v2") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>