buf is a pointer to a pipe_buffer array, this whole function wreaks yes, but i don't think this is a simple "initialization would have fixed" bug buf = &pipe->

buf is a pointer to a pipe_buffer array, this whole function wreaks yes, but i don't think this is a simple "initialization would have fixed" bug buf = &pipe->bufs[i_head & p_mask]; i think it is a problem with merging and needing to reset the flags, but i didn't want to waste too much time really trying to find the root issue and wtf merging is/why do it.