Re: [patch] hvc_xen: NULL dereference on allocation failure

2012-05-21 Thread Konrad Rzeszutek Wilk
On Tue, May 15, 2012 at 11:20:23AM +0100, Stefano Stabellini wrote: On Tue, 15 May 2012, Dan Carpenter wrote: If kzalloc() returns a NULL here, we pass a NULL to xencons_disconnect_backend() which will cause an Oops. Also I removed the __GFP_ZERO while I was at it since kzalloc() implies

[patch] hvc_xen: NULL dereference on allocation failure

2012-05-15 Thread Dan Carpenter
If kzalloc() returns a NULL here, we pass a NULL to xencons_disconnect_backend() which will cause an Oops. Also I removed the __GFP_ZERO while I was at it since kzalloc() implies __GFP_ZERO. Signed-off-by: Dan Carpenter dan.carpen...@oracle.com diff --git a/drivers/tty/hvc/hvc_xen.c

Re: [patch] hvc_xen: NULL dereference on allocation failure

2012-05-15 Thread Stefano Stabellini
On Tue, 15 May 2012, Dan Carpenter wrote: If kzalloc() returns a NULL here, we pass a NULL to xencons_disconnect_backend() which will cause an Oops. Also I removed the __GFP_ZERO while I was at it since kzalloc() implies __GFP_ZERO. Signed-off-by: Dan Carpenter dan.carpen...@oracle.com