diff options
| author | Matthew Wilcox <mawilcox@microsoft.com> | 2018-01-17 07:14:13 -0800 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2018-01-18 11:56:48 +0100 |
| commit | 08f36ff642342fb058212099757cb5d40f158c2a (patch) | |
| tree | 76d1cd26040f49c782799e2d621f80258a33ca2d /include/linux/lockdep.h | |
| parent | 64f29d1bc9fb8196df3d0f1df694245230e208c0 (diff) | |
lockdep: Make lockdep checking constant
There are several places in the kernel which would like to pass a const
pointer to lockdep_is_held(). Constify the entire path so nobody has to
trick the compiler.
Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: "David S. Miller" <davem@davemloft.net>
Link: https://lkml.kernel.org/r/20180117151414.23686-3-willy@infradead.org
Diffstat (limited to 'include/linux/lockdep.h')
| -rw-r--r-- | include/linux/lockdep.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h index 3251d9c0d313..864d6fc60fa6 100644 --- a/include/linux/lockdep.h +++ b/include/linux/lockdep.h @@ -337,9 +337,9 @@ extern void lock_release(struct lockdep_map *lock, int nested, /* * Same "read" as for lock_acquire(), except -1 means any. */ -extern int lock_is_held_type(struct lockdep_map *lock, int read); +extern int lock_is_held_type(const struct lockdep_map *lock, int read); -static inline int lock_is_held(struct lockdep_map *lock) +static inline int lock_is_held(const struct lockdep_map *lock) { return lock_is_held_type(lock, -1); } |