On 4 December 2014 at 11:05, Bhuvanesh wrote:
> From 7ea020e32e1fbe4d05d104e31815d908af92f2a5 Mon Sep 17 00:00:00 2001
> From: Bhuvanesh Surachari
> Date: Mon, 1 Dec 2014 02:23:02 -0500
> Subject: [PATCH] mmc: queue:Improve error handling during allocation of
> bounce buffers.
>From 7ea020e32e1fbe4d05d104e31815d908af92f2a5 Mon Sep 17 00:00:00 2001
From: Bhuvanesh Surachari
Date: Mon, 1 Dec 2014 02:23:02 -0500
Subject: [PATCH] mmc: queue:Improve error handling during allocation of
bounce buffers.
Allocation of previous bounce buffer in mmc_init_queue when the curr
From 7ea020e32e1fbe4d05d104e31815d908af92f2a5 Mon Sep 17 00:00:00 2001
From: Bhuvanesh Surachari bhuvanesh_surach...@mentor.com
Date: Mon, 1 Dec 2014 02:23:02 -0500
Subject: [PATCH] mmc: queue:Improve error handling during allocation of
bounce buffers.
Allocation of previous bounce buffer
On 4 December 2014 at 11:05, Bhuvanesh bhuvanesh_surach...@mentor.com wrote:
From 7ea020e32e1fbe4d05d104e31815d908af92f2a5 Mon Sep 17 00:00:00 2001
From: Bhuvanesh Surachari bhuvanesh_surach...@mentor.com
Date: Mon, 1 Dec 2014 02:23:02 -0500
Subject: [PATCH] mmc: queue:Improve error handling
(kthread+0x0/0xc0) from [<8000d9b8>]
> (ret_from_fork+0x14/0x3c)
> [ 1606.261771] Code: e585 e5953000 e5942000 e5941008 (e593)
> [ 1606.301708] Kernel panic - not syncing: Fatal exception
> [ 1606.307005] Rebooting in 1 seconds..
>
> On analysis i found that error handling
allocation of current bounce buffer fails and the previous bounce
buffer allocation succeeds. This later leads to exception in,
__blk_segment_map_sg while trying to access the bounce buffer.
The below patch improves the error handling during allocation of
bounce buffers. The previous bounce b
: Mon, 1 Dec 2014 02:23:02 -0500
Subject: [PATCH] mmc: queue:Improve error handling during allocation of
bounce buffers.
Allocation of previous bounce buffer in mmc_init_queue when the current
bounce buffer allocation fails was leading to a crash later in
__blk_segment_map_sg. Error handling
is allocated only if the
allocation of current bounce buffer succeeds.
From 7ea020e32e1fbe4d05d104e31815d908af92f2a5 Mon Sep 17 00:00:00 2001
From: Bhuvanesh Surachari bhuvanesh_surach...@mentor.com
Date: Mon, 1 Dec 2014 02:23:02 -0500
Subject: [PATCH] mmc: queue:Improve error handling during
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