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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-03-27 09:19:32 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-03-27 09:19:32 +0200 |
| commit | e47ff590cc57a3468c1f77e5f2494bbaefdd4371 (patch) | |
| tree | 7c71b3832c0d805b0ee6daa1aaaa50326b65654f /include/linux/list_nulls.h | |
| parent | 2e58cafa0bbde529a9f44300382f60f6ce46d7d2 (diff) | |
| parent | c02ed2e75ef4c74e41e421acb4ef1494671585e8 (diff) | |
| download | talos-obmc-linux-e47ff590cc57a3468c1f77e5f2494bbaefdd4371.tar.gz talos-obmc-linux-e47ff590cc57a3468c1f77e5f2494bbaefdd4371.zip | |
Merge 4.11-rc4 into usb-next
This resolves a merge issue in the gadget code, and we want the USB
fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/list_nulls.h')
| -rw-r--r-- | include/linux/list_nulls.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/list_nulls.h b/include/linux/list_nulls.h index b01fe1009084..87ff4f58a2f0 100644 --- a/include/linux/list_nulls.h +++ b/include/linux/list_nulls.h @@ -29,6 +29,11 @@ struct hlist_nulls_node { ((ptr)->first = (struct hlist_nulls_node *) NULLS_MARKER(nulls)) #define hlist_nulls_entry(ptr, type, member) container_of(ptr,type,member) + +#define hlist_nulls_entry_safe(ptr, type, member) \ + ({ typeof(ptr) ____ptr = (ptr); \ + !is_a_nulls(____ptr) ? hlist_nulls_entry(____ptr, type, member) : NULL; \ + }) /** * ptr_is_a_nulls - Test if a ptr is a nulls * @ptr: ptr to be tested |
