| Message ID | 20221215162710.3802378-1-arnd@kernel.org (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | kmsan: export kmsan_handle_urb | expand |
On Thu, Dec 15, 2022 at 5:27 PM Arnd Bergmann <arnd@kernel.org> wrote: > > From: Arnd Bergmann <arnd@arndb.de> > > 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. > > Fixes: 553a80188a5d ("kmsan: handle memory sent to/from USB") > Signed-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Alexander Potapenko <glider@google.com> > --- > mm/kmsan/hooks.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/mm/kmsan/hooks.c b/mm/kmsan/hooks.c > index 35f6b6e6a908..3807502766a3 100644 > --- a/mm/kmsan/hooks.c > +++ b/mm/kmsan/hooks.c > @@ -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) > -- > 2.35.1 >
diff --git a/mm/kmsan/hooks.c b/mm/kmsan/hooks.c index 35f6b6e6a908..3807502766a3 100644 --- a/mm/kmsan/hooks.c +++ b/mm/kmsan/hooks.c @@ -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)