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* [merged mm-hotfixes-stable] kmsan-export-kmsan_handle_urb.patch removed from -mm tree
@ 2022-12-21 22:32 Andrew Morton
  0 siblings, 0 replies; only message in thread
From: Andrew Morton @ 2022-12-21 22:32 UTC (permalink / raw)
  To: mm-commits, stable, glider, elver, dvyukov, arnd, akpm


The quilt patch titled
     Subject: kmsan: export kmsan_handle_urb
has been removed from the -mm tree.  Its filename was
     kmsan-export-kmsan_handle_urb.patch

This patch was dropped because it was merged into the mm-hotfixes-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

------------------------------------------------------
From: Arnd Bergmann <arnd@arndb.de>
Subject: kmsan: export kmsan_handle_urb
Date: Thu, 15 Dec 2022 17:26:57 +0100

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: 553a80188a5d ("kmsan: handle memory sent to/from USB")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Alexander Potapenko <glider@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Marco Elver <elver@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/kmsan/hooks.c |    1 +
 1 file changed, 1 insertion(+)

--- a/mm/kmsan/hooks.c~kmsan-export-kmsan_handle_urb
+++ a/mm/kmsan/hooks.c
@@ -260,6 +260,7 @@ void kmsan_handle_urb(const struct urb *
 					       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)
_

Patches currently in -mm which might be from arnd@arndb.de are



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2022-12-21 22:32 [merged mm-hotfixes-stable] kmsan-export-kmsan_handle_urb.patch removed from -mm tree Andrew Morton

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