Commit 7ba594d7 authored by Arnd Bergmann's avatar Arnd Bergmann Committed by Andrew Morton
Browse files

kmsan: export kmsan_handle_urb 

USB support can be in a loadable module, and this causes a link failure
with KMSAN:

ERROR: modpost: "kmsan_handle_urb" [drivers/usb/core/usbcore.ko] undefined!

Export the symbol so it can be used by this module.

Link: https://lkml.kernel.org/r/20221215162710.3802378-1-arnd@kernel.org


Fixes: 553a8018 ("kmsan: handle memory sent to/from USB")
Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
Reviewed-by: default avatarAlexander Potapenko <glider@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Marco Elver <elver@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent aaa746ad

mm/kmsan/hooks.c

+1 −0
Original line number Diff line number Diff line
@@ -260,6 +260,7 @@ void kmsan_handle_urb(const struct urb *urb, bool is_out) 
					       urb->transfer_buffer_length,

					       /*checked*/ false);

}

EXPORT_SYMBOL_GPL(kmsan_handle_urb);



static void kmsan_handle_dma_page(const void *addr, size_t size,

				  enum dma_data_direction dir)