[ltt-dev] [PATCH 3/4] Fix a compile warning of 'initialization from incompatible pointer type'

[Mathieu Desnoyers]

* Zhaolei (zhaolei at cn.fujitsu.com) wrote:
> Warning is:
> ltt/ltt-relay.c:1602: warning: initialization from incompatible pointer type
> 
> Return value of ltt_relay_reserve_slot should be int because it only return
> errorcode or 0.
> 

Also merged manually given it touches 3 different patches. Thanks !

Mathieu

> Signed-off-by: Zhao Lei <zhaolei at cn.fujitsu.com>
> ---
>  include/linux/ltt-tracer.h |    2 +-
>  ltt/ltt-relay-locked.c     |    2 +-
>  ltt/ltt-relay.c            |    2 +-
>  3 files changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/include/linux/ltt-tracer.h b/include/linux/ltt-tracer.h
> index a1c6c14..f7cb1d1 100644
> --- a/include/linux/ltt-tracer.h
> +++ b/include/linux/ltt-tracer.h
> @@ -174,7 +174,7 @@ struct user_dbg_data {
>  
>  struct ltt_trace_ops {
>  	/* First 32 bytes cache-hot cacheline */
> -	ssize_t (*reserve_slot) (struct ltt_trace_struct *trace,
> +	int (*reserve_slot) (struct ltt_trace_struct *trace,
>  				struct ltt_channel_struct *channel,
>  				void **transport_data, size_t data_size,
>  				size_t *slot_size, long *buf_offset, u64 *tsc,
> diff --git a/ltt/ltt-relay-locked.c b/ltt/ltt-relay-locked.c
> index 779ff89..ab402f8 100644
> --- a/ltt/ltt-relay-locked.c
> +++ b/ltt/ltt-relay-locked.c
> @@ -1252,7 +1252,7 @@ static inline void ltt_reserve_end_switch_current(
>   *
>   * It will take care of sub-buffer switching.
>   */
> -static notrace long ltt_relay_reserve_slot(struct ltt_trace_struct *trace,
> +static notrace int ltt_relay_reserve_slot(struct ltt_trace_struct *trace,
>  		struct ltt_channel_struct *ltt_channel, void **transport_data,
>  		size_t data_size, size_t *slot_size, long *buf_offset, u64 *tsc,
>  		unsigned int *rflags, int largest_align, int cpu)
> diff --git a/ltt/ltt-relay.c b/ltt/ltt-relay.c
> index 86f5082..5667ab8 100644
> --- a/ltt/ltt-relay.c
> +++ b/ltt/ltt-relay.c
> @@ -1278,7 +1278,7 @@ static inline void ltt_reserve_end_switch_current(
>   *
>   * It will take care of sub-buffer switching.
>   */
> -static notrace long ltt_relay_reserve_slot(struct ltt_trace_struct *trace,
> +static notrace int ltt_relay_reserve_slot(struct ltt_trace_struct *trace,
>  		struct ltt_channel_struct *ltt_channel, void **transport_data,
>  		size_t data_size, size_t *slot_size, long *buf_offset, u64 *tsc,
>  		unsigned int *rflags, int largest_align, int cpu)
> -- 
> 1.5.5.3
> 
> 
> 
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-- 
Mathieu Desnoyers
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