Messages in this thread Patch in this message | | | From | Arnd Bergmann <> | Subject | [PATCH] kernel/locking/lockdep.c: mark chainhashentry as __maybe_unused | Date | Wed, 3 Feb 2016 23:05:50 +0100 |
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The newly added chainhashentry() function is only use when CONFIG_PROVE_LOCKING is enabled, otherwise we get a warning about it.
kernel/locking/lockdep.c:318:26: error: 'chainhashentry' defined but not used [-Werror=unused-function]
We could add another #ifdef or add __maybe_unused to avoid the warning, this patch picks the second option.
Signed-off-by: Arnd Bergmann <arnd@arndb.de> Fixes: a33a23c7def8 ("kernel/locking/lockdep.c: make lockdep initialize itself on demand") --- kernel/locking/lockdep.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c index 9269b1a74260..0d3c08d23946 100644 --- a/kernel/locking/lockdep.c +++ b/kernel/locking/lockdep.c @@ -315,7 +315,7 @@ static inline struct list_head *classhashentry(struct lockdep_subclass_key *key) static struct list_head __chainhash_table[CHAINHASH_SIZE]; -static struct list_head *chainhashentry(unsigned long chain) +static __maybe_unused struct list_head * chainhashentry(unsigned long chain) { if (unlikely(!lockdep_initialized)) lockdep_init(); -- 2.7.0
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