drivers/dma-buf/dma-buf.c:328: warning: No description found for return value of 'dma_buf_set_name'
drivers/dma-buf/dma-buf.c:616: warning: No description found for return value of 'dma_buf_export'
drivers/dma-buf/dma-buf.c:706: warning: No description found for return value of 'dma_buf_fd'
drivers/dma-buf/dma-buf.c:731: warning: No description found for return value of 'dma_buf_get'
drivers/dma-buf/dma-buf.c:983: warning: No description found for return value of 'dma_buf_attach'
drivers/dma-buf/dma-buf.c:1106: warning: No description found for return value of 'dma_buf_map_attachment'
drivers/dma-buf/dma-buf.c:1183: warning: No description found for return value of 'dma_buf_map_attachment_unlocked'
drivers/dma-buf/dma-buf.c:1402: warning: No description found for return value of 'dma_buf_begin_cpu_access'
drivers/dma-buf/dma-buf.c:1438: warning: No description found for return value of 'dma_buf_end_cpu_access'
drivers/dma-buf/dma-buf.c:1469: warning: No description found for return value of 'dma_buf_mmap'
drivers/dma-buf/dma-buf.c:1511: warning: No description found for return value of 'dma_buf_vmap'
drivers/dma-buf/dma-buf.c:1558: warning: No description found for return value of 'dma_buf_vmap_unlocked'
include/linux/dma-buf.h:581: warning: No description found for return value of 'dma_buf_is_dynamic'
include/linux/dma-buf.h:595: warning: No description found for return value of 'dma_buf_attachment_is_dynamic'
Error: Cannot open file kernel/bpf/dmabuf_iter.c
drivers/dma-buf/dma-buf.c:396: warning: No description found for return value of 'dma_buf_set_name'
drivers/dma-buf/dma-buf.c:684: warning: No description found for return value of 'dma_buf_export'
drivers/dma-buf/dma-buf.c:774: warning: No description found for return value of 'dma_buf_fd'
drivers/dma-buf/dma-buf.c:799: warning: No description found for return value of 'dma_buf_get'
drivers/dma-buf/dma-buf.c:1051: warning: No description found for return value of 'dma_buf_attach'
drivers/dma-buf/dma-buf.c:1174: warning: No description found for return value of 'dma_buf_map_attachment'
drivers/dma-buf/dma-buf.c:1251: warning: No description found for return value of 'dma_buf_map_attachment_unlocked'
drivers/dma-buf/dma-buf.c:1470: warning: No description found for return value of 'dma_buf_begin_cpu_access'
drivers/dma-buf/dma-buf.c:1506: warning: No description found for return value of 'dma_buf_end_cpu_access'
drivers/dma-buf/dma-buf.c:1537: warning: No description found for return value of 'dma_buf_mmap'
drivers/dma-buf/dma-buf.c:1579: warning: No description found for return value of 'dma_buf_vmap'
drivers/dma-buf/dma-buf.c:1626: warning: No description found for return value of 'dma_buf_vmap_unlocked'
include/linux/dma-buf.h:581: warning: No description found for return value of 'dma_buf_is_dynamic'
include/linux/dma-buf.h:595: warning: No description found for return value of 'dma_buf_attachment_is_dynamic'