-Original Message-
From: Ohad Ben-Cohen [mailto:o...@wizery.com]
Sent: Monday, November 19, 2012 3:47 PM
To: Liu, Chuansheng
Cc: Chris Ball; linux-mmc@vger.kernel.org; linux-ker...@vger.kernel.org
Subject: Re: [PATCH] mmc,sdio: Fix the panic due to devname NULL when
calling
On Mon, Nov 19, 2012 at 10:01 AM, Liu, Chuansheng
chuansheng@intel.com wrote:
Rechecked these codes, the trace event runtime_pm_status is added newly,
this is different with vanilla
Linux.
Not sure I'm following - can you point out which tree are you working with ?
Sorry, it is added
-Original Message-
From: Ohad Ben-Cohen [mailto:o...@wizery.com]
Sent: Saturday, November 17, 2012 3:33 AM
To: Liu, Chuansheng
Cc: Chris Ball; linux-mmc@vger.kernel.org; linux-ker...@vger.kernel.org
Subject: Re: [PATCH] mmc,sdio: Fix the panic due to devname NULL when
calling
On Mon, Nov 19, 2012 at 7:57 AM, Liu, Chuansheng
chuansheng@intel.com wrote:
Rechecked these codes, the trace event runtime_pm_status is added newly, this
is different with vanilla
Linux.
Not sure I'm following - can you point out which tree are you working with ?
So I still think that
Hi Liu,
On Fri, Nov 16, 2012 at 2:54 PM, Chuansheng Liu
chuansheng@intel.com wrote:
So when calling pm_runtime_set_active(), it will hit the strlen(devname==0)
which trigger the panic.
Can you please point to the exact line of code that triggers this panic ?
Here before calling
Subject: [PATCH] mmc,sdio: Fix the panic due to devname NULL when calling
pm_runtime_set_active()
Meet one panic as the below:
1[ 15.067350] BUG: unable to handle kernel NULL pointer dereference at
(null)
1[ 15.074455] IP: [c1496a42] strlen+0x12/0x20
4[ 15.078803] *pde =
0
