[patch] i915: signedness bugs in i915 ring buffer

"ring->space" is unsigned so it's never less than zero. Signed-off-by: Dan Carpenter diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 51e9c9e..a331898 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbu

[patch] i915: signedness bugs in i915 ring buffer

"ring->space" is unsigned so it's never less than zero. Signed-off-by: Dan Carpenter diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 51e9c9e..a331898 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbu