Re: [Qemu-devel] [PATCH] block.c: Fix type of IoOperationType variable in send_qmp_error_event()

[Eric Blake]

On 10/10/2014 01:33 PM, Peter Maydell wrote:
> The local variable 'ac' in send_qmp_error_event() is declared with the
> wrong type, which causes clang to complain when it is initialized
> and again when it is used:
> 
> block.c:3655:20: warning: implicit conversion from enumeration type 'enum 
> IoOperationType' to different enumeration type 'BlockErrorAction' (aka 'enum 
> BlockErrorAction') [-Wenum-conversion]
>     ac = is_read ? IO_OPERATION_TYPE_READ : IO_OPERATION_TYPE_WRITE;
>        ~           ^~~~~~~~~~~~~~~~~~~~~~
> block.c:3655:45: warning: implicit conversion from enumeration type 'enum 
> IoOperationType' to different enumeration type 'BlockErrorAction' (aka 'enum 
> BlockErrorAction') [-Wenum-conversion]
>     ac = is_read ? IO_OPERATION_TYPE_READ : IO_OPERATION_TYPE_WRITE;
>        ~                                    ^~~~~~~~~~~~~~~~~~~~~~~
> block.c:3656:62: warning: implicit conversion from enumeration type 
> 'BlockErrorAction' (aka 'enum BlockErrorAction') to different enumeration 
> type 'IoOperationType' (aka 'enum IoOperationType') [-Wenum-conversion]
>     qapi_event_send_block_io_error(bdrv_get_device_name(bs), ac, action,
>     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~                           ^~
> 
> Correct the type to IoOperationType, and rename the variable
> to 'optype' to match its correct type.
> 
> Signed-off-by: Peter Maydell <address@hidden>
> ---
> Bug introduced when this code was pulled out into its
> own function in commit c7c2ff0c7e5d2c04.
> 
>  block.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)

Reviewed-by: Eric Blake <address@hidden>

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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