Found by static code analysis tool.
Signed-off-by: Namrta Salonie <namrta.salonie@xxxxxxxxx>
Signed-off-by: Deepak S <deepak.s@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_debugfs.c | 19 +++++++++++++++----
1 file changed, 15 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index a3b22bd..d1719e9 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -1873,6 +1873,9 @@ static int i915_gem_framebuffer_info(struct seq_file *m, void *data)
struct drm_i915_private *dev_priv = dev->dev_private;
ifbdev = dev_priv->fbdev;
+ if (!ifbdev)
+ goto fb_loop;
+
fb = to_intel_framebuffer(ifbdev->helper.fb);
seq_printf(m, "fbcon size: %d x %d, depth %d, %d bpp, modifier 0x%llx, refcount %d, obj ",
@@ -1884,8 +1887,9 @@ static int i915_gem_framebuffer_info(struct seq_file *m, void *data)
atomic_read(&fb->base.refcount.refcount));
describe_obj(m, fb->obj);
seq_putc(m, '\n');
-#endif
+fb_loop:
+#endif
mutex_lock(&dev->mode_config.fb_lock);
drm_for_each_fb(drm_fb, dev) {
fb = to_intel_framebuffer(drm_fb);
@@ -3868,12 +3872,19 @@ static int pipe_crc_set_source(struct drm_device *dev, enum pipe pipe,
enum intel_pipe_crc_source source)
{
struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[pipe];
- struct intel_crtc *crtc = to_intel_crtc(intel_get_crtc_for_pipe(dev,
- pipe));
+ struct intel_pipe_crc *pipe_crc;
+ struct intel_crtc *crtc;
u32 val = 0; /* shut up gcc */
int ret;
+ if ((pipe < PIPE_A) || (pipe >= I915_MAX_PIPES))
+ return -EINVAL;
+
+ pipe_crc = &dev_priv->pipe_crc[pipe];
+
+ crtc = to_intel_crtc(intel_get_crtc_for_pipe(dev,
+ pipe));
+
if (pipe_crc->source == source)
return 0;
--
1.7.9.5
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