[PATCH 1/8 v7] drm/i915/intel_i2c: handle zero-length writes

2012-04-04 Thread Chris Wilson
On Fri, 30 Mar 2012 19:46:36 +0800, Daniel Kurtz wrote: > A common method of probing an i2c bus is trying to do a zero-length write. > Handle this case by checking the length first before decrementing it. > > This is actually important, since attempting a zero-length write is one > of the ways

Re: [PATCH 1/8 v7] drm/i915/intel_i2c: handle zero-length writes

2012-04-03 Thread Chris Wilson
On Fri, 30 Mar 2012 19:46:36 +0800, Daniel Kurtz djku...@chromium.org wrote: A common method of probing an i2c bus is trying to do a zero-length write. Handle this case by checking the length first before decrementing it. This is actually important, since attempting a zero-length write is one

[PATCH 1/8 v7] drm/i915/intel_i2c: handle zero-length writes

2012-03-30 Thread Daniel Kurtz
A common method of probing an i2c bus is trying to do a zero-length write. Handle this case by checking the length first before decrementing it. This is actually important, since attempting a zero-length write is one of the ways that i2cdetect and i2c_new_probed_device detect whether there is

[PATCH 1/8 v7] drm/i915/intel_i2c: handle zero-length writes

2012-03-30 Thread Daniel Kurtz
A common method of probing an i2c bus is trying to do a zero-length write. Handle this case by checking the length first before decrementing it. This is actually important, since attempting a zero-length write is one of the ways that i2cdetect and i2c_new_probed_device detect whether there is