diff mbox

qemu-char: avoid leak in qemu_chr_open_pp_fd

Message ID 1453112751-725-1-git-send-email-pbonzini@redhat.com
State New
Headers show

Commit Message

Paolo Bonzini Jan. 18, 2016, 10:25 a.m. UTC 
drv leaks if qemu_chr_alloc returns an error.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 qemu-char.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

Comments

Daniel P. Berrangé Jan. 18, 2016, 10:38 a.m. UTC | #1 
On Mon, Jan 18, 2016 at 11:25:51AM +0100, Paolo Bonzini wrote:
> drv leaks if qemu_chr_alloc returns an error.
> 
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
> ---
>  qemu-char.c | 11 ++++++-----
>  1 file changed, 6 insertions(+), 5 deletions(-)

Reviewed-by: Daniel P. Berrange <berrange@redhat.com>


Regards,
Daniel
diff mbox

Patch

diff --git a/qemu-char.c b/qemu-char.c
index 9e2217b..2633b8a 100644
--- a/qemu-char.c
+++ b/qemu-char.c
@@ -1778,18 +1778,19 @@  static CharDriverState *qemu_chr_open_pp_fd(int fd,
         return NULL;
     }
 
-    drv = g_new0(ParallelCharDriver, 1);
-    drv->fd = fd;
-    drv->mode = IEEE1284_MODE_COMPAT;
-
     chr = qemu_chr_alloc(backend, errp);
     if (!chr) {
         return NULL;
     }
+
+    drv = g_new0(ParallelCharDriver, 1);
+    chr->opaque = drv;
     chr->chr_write = null_chr_write;
     chr->chr_ioctl = pp_ioctl;
     chr->chr_close = pp_close;
-    chr->opaque = drv;
+
+    drv->fd = fd;
+    drv->mode = IEEE1284_MODE_COMPAT;
 
     return chr;
 }