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| author | Joe Lawrence <joe.lawrence@redhat.com> | 2017-10-02 17:56:48 +0200 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2017-10-11 15:38:46 +0200 |
| commit | ef8daf8eeb5b8ab6bc356656163d19f20fb827ed (patch) | |
| tree | 2ae9e01115e5aa8adfe4aa3870e0cf0c156d419f /fs/direct-io.c | |
| parent | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jik... (diff) | |
| download | linux-ef8daf8eeb5b8ab6bc356656163d19f20fb827ed.tar.xz linux-ef8daf8eeb5b8ab6bc356656163d19f20fb827ed.zip | |
livepatch: unpatch all klp_objects if klp_module_coming fails
When an incoming module is considered for livepatching by
klp_module_coming(), it iterates over multiple patches and multiple
kernel objects in this order:
list_for_each_entry(patch, &klp_patches, list) {
klp_for_each_object(patch, obj) {
which means that if one of the kernel objects fails to patch,
klp_module_coming()'s error path needs to unpatch and cleanup any kernel
objects that were already patched by a previous patch.
Reported-by: Miroslav Benes <mbenes@suse.cz>
Suggested-by: Petr Mladek <pmladek@suse.com>
Signed-off-by: Joe Lawrence <joe.lawrence@redhat.com>
Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'fs/direct-io.c')
0 files changed, 0 insertions, 0 deletions