2012-06-09 14:04:15

by Josh Hunt

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Subject: [PATCH 1/2] scsi: propery initialize atomic_t ioerr_cnt

Initialize atomic_t ioerr_cnt as per the guidelines defined in Documentation/atomic_ops.txt

Reported-by: Debabrata Banerjee <[email protected]>
Signed-off-by: Josh Hunt <[email protected]>
---
drivers/scsi/sd.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 6f0a4c6..8b85703 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -2702,6 +2702,7 @@ static int sd_probe(struct device *dev)
sdkp->disk = gd;
sdkp->index = index;
atomic_set(&sdkp->openers, 0);
+ atomic_set(&sdkp->device->ioerr_cnt, 0);

if (!sdp->request_queue->rq_timeout) {
if (sdp->type != TYPE_MOD)
--
1.7.0.4


2012-06-09 14:04:27

by Josh Hunt

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Subject: [PATCH 2/2] scsi: properly initialize atomic_t scsi_host_next_hn

Initialize atomic_t scsi_host_next_hn as per the guidelines defined in Documentation/atomic_ops.txt

Signed-off-by: Josh Hunt <[email protected]>
---
drivers/scsi/hosts.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
index a3a056a..2b6a03d 100644
--- a/drivers/scsi/hosts.c
+++ b/drivers/scsi/hosts.c
@@ -42,7 +42,7 @@
#include "scsi_logging.h"


-static atomic_t scsi_host_next_hn; /* host_no for next new host */
+static atomic_t scsi_host_next_hn = ATOMIC_INIT(0); /* host_no for next new host */


static void scsi_host_cls_release(struct device *dev)
--
1.7.0.4

2012-06-26 04:37:28

by Josh Hunt

[permalink] [raw]
Subject: Re: [PATCH 1/2] scsi: propery initialize atomic_t ioerr_cnt

On 06/09/2012 09:03 AM, Josh Hunt wrote:
> Initialize atomic_t ioerr_cnt as per the guidelines defined in Documentation/atomic_ops.txt
>
> Reported-by: Debabrata Banerjee <[email protected]>
> Signed-off-by: Josh Hunt <[email protected]>
> ---
> drivers/scsi/sd.c | 1 +
> 1 files changed, 1 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
> index 6f0a4c6..8b85703 100644
> --- a/drivers/scsi/sd.c
> +++ b/drivers/scsi/sd.c
> @@ -2702,6 +2702,7 @@ static int sd_probe(struct device *dev)
> sdkp->disk = gd;
> sdkp->index = index;
> atomic_set(&sdkp->openers, 0);
> + atomic_set(&sdkp->device->ioerr_cnt, 0);
>
> if (!sdp->request_queue->rq_timeout) {
> if (sdp->type != TYPE_MOD)

Ping?

I know these are trivial, but they seem to be correct. If not, I'd be
interested to understand why.

Thanks
Josh