Re: [PATCH] kernel/delayacct.c: check NULL for member variable 'delays' in all extern functions.

2013-08-21 Thread Chen Gang
On 08/22/2013 06:10 AM, Andrew Morton wrote: > On Tue, 20 Aug 2013 10:40:03 +0800 Chen Gang wrote: > >> The member variable 'delays' may be NULL, so need check NULL before use >> it for all extern functions, just like __delayacct_tsk_init() and >> __delayacct_add_tsk() have already done. > > If

Re: [PATCH] kernel/delayacct.c: check NULL for member variable 'delays' in all extern functions.

2013-08-21 Thread Andrew Morton
On Tue, 20 Aug 2013 10:40:03 +0800 Chen Gang wrote: > The member variable 'delays' may be NULL, so need check NULL before use > it for all extern functions, just like __delayacct_tsk_init() and > __delayacct_add_tsk() have already done. If task.delays is NULL, the kernel will oops. I don't

Re: [PATCH] kernel/delayacct.c: check NULL for member variable 'delays' in all extern functions.

2013-08-21 Thread Andrew Morton
On Tue, 20 Aug 2013 10:40:03 +0800 Chen Gang gang.c...@asianux.com wrote: The member variable 'delays' may be NULL, so need check NULL before use it for all extern functions, just like __delayacct_tsk_init() and __delayacct_add_tsk() have already done. If task.delays is NULL, the kernel will

Re: [PATCH] kernel/delayacct.c: check NULL for member variable 'delays' in all extern functions.

2013-08-21 Thread Chen Gang
On 08/22/2013 06:10 AM, Andrew Morton wrote: On Tue, 20 Aug 2013 10:40:03 +0800 Chen Gang gang.c...@asianux.com wrote: The member variable 'delays' may be NULL, so need check NULL before use it for all extern functions, just like __delayacct_tsk_init() and __delayacct_add_tsk() have already

[PATCH] kernel/delayacct.c: check NULL for member variable 'delays' in all extern functions.

2013-08-19 Thread Chen Gang
The member variable 'delays' may be NULL, so need check NULL before use it for all extern functions, just like __delayacct_tsk_init() and __delayacct_add_tsk() have already done. Signed-off-by: Chen Gang --- kernel/delayacct.c | 10 ++ 1 files changed, 10 insertions(+), 0

[PATCH] kernel/delayacct.c: check NULL for member variable 'delays' in all extern functions.

2013-08-19 Thread Chen Gang
The member variable 'delays' may be NULL, so need check NULL before use it for all extern functions, just like __delayacct_tsk_init() and __delayacct_add_tsk() have already done. Signed-off-by: Chen Gang gang.c...@asianux.com --- kernel/delayacct.c | 10 ++ 1 files changed, 10