Re: [RESEND PATCH 2/2] staging/olpc_docn: reorder the lock sequence to avoid potential dead lock

2013-11-05 Thread Dan Carpenter
On Tue, Nov 05, 2013 at 06:01:00PM +0800, Gu Zheng wrote: The lock sequence of dcon_blank_fb(fb_info-lock --- console_lock) is against with the one of console_callback(console_lock --- fb_info-lock), it'll lead to a potential dead lock, so reorder the lock sequence of dcon_blank_fb to avoid

Re: [RESEND PATCH 2/2] staging/olpc_docn: reorder the lock sequence to avoid potential dead lock

2013-11-05 Thread Gu Zheng
Hi Dan, On 11/05/2013 07:02 PM, Dan Carpenter wrote: On Tue, Nov 05, 2013 at 06:01:00PM +0800, Gu Zheng wrote: The lock sequence of dcon_blank_fb(fb_info-lock --- console_lock) is against with the one of console_callback(console_lock --- fb_info-lock), it'll lead to a potential dead lock,

[PATCH 2/2] staging/olpc_docn: reorder the lock sequence to avoid potential dead lock

2013-10-31 Thread Gu Zheng
The lock sequence of dcon_blank_fb(fb_info-lock --- console_lock) is against with the one of console_callback(console_lock --- fb_info-lock), it'll lead to a potential dead lock, so reorder the lock sequence of dcon_blank_fb to avoid the potential dead lock. Signed-off-by: Gu Zheng