diff mbox

savevm: Fix potential memory leak

Message ID 1371382385-20415-1-git-send-email-sw@weilnetz.de
State Accepted
Headers show

Commit Message

Stefan Weil June 16, 2013, 11:33 a.m. UTC
The leak was reported by cppcheck. Fix it by moving the g_malloc0 after
the argument validity check.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
---
 savevm.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Comments

Stefan Weil July 2, 2013, 8:33 p.m. UTC | #1
Am 16.06.2013 13:33, schrieb Stefan Weil:
> The leak was reported by cppcheck. Fix it by moving the g_malloc0 after
> the argument validity check.
>
> Signed-off-by: Stefan Weil <sw@weilnetz.de>
> ---
>  savevm.c |    3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/savevm.c b/savevm.c
> index 2ce439f..b883714 100644
> --- a/savevm.c
> +++ b/savevm.c
> @@ -479,7 +479,7 @@ static const QEMUFileOps socket_write_ops = {
>  
>  QEMUFile *qemu_fopen_socket(int fd, const char *mode)
>  {
> -    QEMUFileSocket *s = g_malloc0(sizeof(QEMUFileSocket));
> +    QEMUFileSocket *s;
>  
>      if (mode == NULL ||
>          (mode[0] != 'r' && mode[0] != 'w') ||
> @@ -488,6 +488,7 @@ QEMUFile *qemu_fopen_socket(int fd, const char *mode)
>          return NULL;
>      }
>  
> +    s = g_malloc0(sizeof(QEMUFileSocket));
>      s->fd = fd;
>      if (mode[0] == 'w') {
>          qemu_set_block(s->fd);


Ping?
Stefan Weil July 2, 2013, 8:38 p.m. UTC | #2
Am 02.07.2013 22:33, schrieb Stefan Weil:
> Am 16.06.2013 13:33, schrieb Stefan Weil:
>> The leak was reported by cppcheck. Fix it by moving the g_malloc0 after
>> the argument validity check.
>>
>> Signed-off-by: Stefan Weil <sw@weilnetz.de>
>> ---
>>  savevm.c |    3 ++-
>>  1 file changed, 2 insertions(+), 1 deletion(-)
>>
>> diff --git a/savevm.c b/savevm.c
>> index 2ce439f..b883714 100644
>> --- a/savevm.c
>> +++ b/savevm.c
>> @@ -479,7 +479,7 @@ static const QEMUFileOps socket_write_ops = {
>>  
>>  QEMUFile *qemu_fopen_socket(int fd, const char *mode)
>>  {
>> -    QEMUFileSocket *s = g_malloc0(sizeof(QEMUFileSocket));
>> +    QEMUFileSocket *s;
>>  
>>      if (mode == NULL ||
>>          (mode[0] != 'r' && mode[0] != 'w') ||
>> @@ -488,6 +488,7 @@ QEMUFile *qemu_fopen_socket(int fd, const char *mode)
>>          return NULL;
>>      }
>>  
>> +    s = g_malloc0(sizeof(QEMUFileSocket));
>>      s->fd = fd;
>>      if (mode[0] == 'w') {
>>          qemu_set_block(s->fd);
>
> Ping?


Sorry, that was bad bookkeeping on my side.
The patch was already applied.

Stefan
diff mbox

Patch

diff --git a/savevm.c b/savevm.c
index 2ce439f..b883714 100644
--- a/savevm.c
+++ b/savevm.c
@@ -479,7 +479,7 @@  static const QEMUFileOps socket_write_ops = {
 
 QEMUFile *qemu_fopen_socket(int fd, const char *mode)
 {
-    QEMUFileSocket *s = g_malloc0(sizeof(QEMUFileSocket));
+    QEMUFileSocket *s;
 
     if (mode == NULL ||
         (mode[0] != 'r' && mode[0] != 'w') ||
@@ -488,6 +488,7 @@  QEMUFile *qemu_fopen_socket(int fd, const char *mode)
         return NULL;
     }
 
+    s = g_malloc0(sizeof(QEMUFileSocket));
     s->fd = fd;
     if (mode[0] == 'w') {
         qemu_set_block(s->fd);