Re: [PATCH] vme: tsi148: silence uninitialized variable warning

[Dmitry Kalinkin]

Hi Martyn,

Sorry, your comment is too late. This patch is already in staging-next.

Dmitri

> On 2015/10/10, at 17:35, Martyn Welch <martyn@xxxxxxxxxxxx> wrote:
> 
> On 5 October 2015 at 04:59, Dmitry Kalinkin <dmitry.kalinkin@xxxxxxxxx> wrote:
>> The warning is a false positive.
>> 
> 
> That seems very likely.
> 
> Please could you role this into the original patch (vme: change bus
> error handling scheme)?
> 
> Martyn
> 
>> drivers/vme/bridges/vme_tsi148.c: In function 'tsi148_master_write':
>> drivers/vme/bridges/vme_tsi148.c:1358:31: warning: 'handler' may be used uninitialized in this function [-Wmaybe-uninitialized]
>>   vme_unregister_error_handler(handler);
>>                               ^
>> drivers/vme/bridges/vme_tsi148.c: In function 'tsi148_master_read':
>> drivers/vme/bridges/vme_tsi148.c:1260:31: warning: 'handler' may be used uninitialized in this function [-Wmaybe-uninitialized]
>>   vme_unregister_error_handler(handler);
>>                               ^
>> 
>> Fixes: 0b0496625715 ("vme: change bus error handling scheme")
>> Signed-off-by: Dmitry Kalinkin <dmitry.kalinkin@xxxxxxxxx>
>> ---
>> drivers/vme/bridges/vme_tsi148.c | 4 ++--
>> 1 file changed, 2 insertions(+), 2 deletions(-)
>> 
>> diff --git a/drivers/vme/bridges/vme_tsi148.c b/drivers/vme/bridges/vme_tsi148.c
>> index d1e383b..6052483 100644
>> --- a/drivers/vme/bridges/vme_tsi148.c
>> +++ b/drivers/vme/bridges/vme_tsi148.c
>> @@ -1186,7 +1186,7 @@ static ssize_t tsi148_master_read(struct vme_master_resource *image, void *buf,
>>        int retval, enabled;
>>        unsigned long long vme_base, size;
>>        u32 aspace, cycle, dwidth;
>> -       struct vme_error_handler *handler;
>> +       struct vme_error_handler *handler = NULL;
>>        struct vme_bridge *tsi148_bridge;
>>        void __iomem *addr = image->kern_base + offset;
>>        unsigned int done = 0;
>> @@ -1276,7 +1276,7 @@ static ssize_t tsi148_master_write(struct vme_master_resource *image, void *buf,
>>        unsigned int done = 0;
>>        unsigned int count32;
>> 
>> -       struct vme_error_handler *handler;
>> +       struct vme_error_handler *handler = NULL;
>>        struct vme_bridge *tsi148_bridge;
>>        struct tsi148_driver *bridge;
>> 
>> --
>> 1.8.3.1
>> 

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