The patch titled
uml: fix device unplug crash
has been added to the -mm tree. Its filename is
uml-fix-device-unplug-crash.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: uml: fix device unplug crash
From: Jeff Dike <jdike@xxxxxxxxxxx>
Fix a NULL dereference when unplugging a device. The default value of
err_msg wants to be "" in case the driver doesn't modify it.
Signed-off-by: Jeff Dike <jdike@xxxxxxxxxxxxxxx>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@xxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/um/drivers/mconsole_kern.c | 3 +++
1 files changed, 3 insertions(+)
diff -puN arch/um/drivers/mconsole_kern.c~uml-fix-device-unplug-crash arch/um/drivers/mconsole_kern.c
--- a/arch/um/drivers/mconsole_kern.c~uml-fix-device-unplug-crash
+++ a/arch/um/drivers/mconsole_kern.c
@@ -614,6 +614,9 @@ void mconsole_remove(struct mc_request *
err_msg = NULL;
err = (*dev->remove)(n, &err_msg);
switch(err){
+ case 0:
+ err_msg = "";
+ break;
case -ENODEV:
if(err_msg == NULL)
err_msg = "Device doesn't exist";
_
Patches currently in -mm which might be from jdike@xxxxxxxxxxx are
uml-fix-epoll.patch
uml-fix-static-linking.patch
uml-use-correct-register-file-size-everywhere.patch
remove-hardcoding-of-hard_smp_processor_id-on-up.patch
uml-delete-unused-code.patch
uml-formatting-fixes.patch
uml-host_info-tidying.patch
uml-mark-tt-mode-code-for-future-removal.patch
uml-print-coredump-limits.patch
uml-handle-block-device-hotplug-errors.patch
uml-driver-formatting-fixes.patch
uml-driver-formatting-fixes-fix.patch
uml-network-interface-hotplug-error-handling.patch
array_size-check-for-type-uml-fix.patch
uml-fix-prototypes.patch
uml-move-sigio-testing-to-sigioc.patch
uml-create-archh.patch
uml-create-as-layouth.patch
uml-move-remaining-useful-contents-of-user_utilh.patch
uml-remove-user_utilh.patch
uml-add-missing-__init-declarations.patch
remove-unused-header-file-arch-um-kernel-tt-include-mode_kern-tth.patch
i386-fix-cmpxchg-warning.patch
uml-fix-device-unplug-crash.patch
uml-irq-locking-fixes.patch
uml-fix-compilation-problems.patch
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