[libvirt] [PATCH] Add missing strdup return value check

[Roopa Prabhu]

On 10/14/11 4:22 PM, "Eric Blake" <eblake at redhat.com> wrote:

> On 10/14/2011 04:25 PM, Roopa Prabhu wrote:
>> From: Roopa Prabhu<roprabhu at cisco.com>
>> 
>> Check strdup return value and fail if error
>> 
>> Signed-off-by: Roopa Prabhu<roprabhu at cisco.com>
>> ---
>>   src/util/pci.c |    8 +++++++-
>>   1 files changed, 7 insertions(+), 1 deletions(-)
>> 
>> 
>> diff --git a/src/util/pci.c b/src/util/pci.c
>> index 2bbb90c..df4e6c8 100644
>> --- a/src/util/pci.c
>> +++ b/src/util/pci.c
>> @@ -2018,7 +2018,13 @@ pciDeviceNetName(char *device_link_sysfs_path, char
>> **netname)
>> 
>>               /* Assume a single directory entry */
>>               *netname = strdup(entry->d_name);
>> -            ret = 0;
>> +            if (!*netname) {
>> +                virReportOOMError();
>> +                ret = -1;
> 
> ret is already -1
> 
>> +            }
>> +            else {
> 
> style - "} else {" should always be on one line.  But without the
> redundant ret assignment, you don't need braces in the first place.
> 
>> +                ret = 0;
>> +            }
> 
> ACK (only affects OOM corner case), and I'm pushing with this squashed in:
> 
> diff --git i/src/util/pci.c w/src/util/pci.c
> index df4e6c8..33b4b0e 100644
> --- i/src/util/pci.c
> +++ w/src/util/pci.c
> @@ -2018,13 +2018,10 @@ pciDeviceNetName(char *device_link_sysfs_path,
> char **netname)
> 
>               /* Assume a single directory entry */
>               *netname = strdup(entry->d_name);
> -            if (!*netname) {
> +            if (!*netname)
>                   virReportOOMError();
> -                ret = -1;
> -            }
> -            else {
> +            else
>                   ret = 0;
> -            }
>               break;
>        }

Ah..thanks.