Fix following coccicheck error: ./drivers/gpu/drm/i915/gvt/handlers.c:2925:35-41: ERROR: block is NULL but dereferenced.
Use gvt->mmio.mmio_block instead of block to avoid NULL pointer dereference when find_mmio_block returns NULL.
Fixes: e0f74ed4634d ("i915/gvt: Separate the MMIO tracking table from GVT-g") Signed-off-by: Wan Jiabing wanjiabing@vivo.com --- drivers/gpu/drm/i915/gvt/handlers.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c index cf00398c2870..7ffe0fb512a9 100644 --- a/drivers/gpu/drm/i915/gvt/handlers.c +++ b/drivers/gpu/drm/i915/gvt/handlers.c @@ -2922,7 +2922,7 @@ static int init_mmio_block_handlers(struct intel_gvt *gvt) block = find_mmio_block(gvt, VGT_PVINFO_PAGE); if (!block) { WARN(1, "fail to assign handlers to mmio block %x\n", - i915_mmio_reg_offset(block->offset)); + i915_mmio_reg_offset(gvt->mmio.mmio_block->offset)); return -ENODEV; }