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* [PATCH resend] bsg: Remove bogus check against request_queue->max_sectors
@ 2009-03-19  9:05 Boaz Harrosh
  2009-03-24 11:37 ` Jens Axboe
  0 siblings, 1 reply; 2+ messages in thread
From: Boaz Harrosh @ 2009-03-19  9:05 UTC (permalink / raw)
  To: Jens Axboe, FUJITA Tomonori, linux-scsi, open-osd mailing-list


bsg submits REQ_TYPE_BLOCK_PC so the right check is max_hw_sectors.
But I've removed this check because right after, bsg proceeds with
calling blk_rq_map_user() which does all the right checks.

Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
---
 block/bsg.c |    3 ---
 1 files changed, 0 insertions(+), 3 deletions(-)

diff --git a/block/bsg.c b/block/bsg.c
index 0ce8806..44a2a0f 100644
--- a/block/bsg.c
+++ b/block/bsg.c
@@ -218,9 +218,6 @@ bsg_validate_sgv4_hdr(struct request_queue *q, struct sg_io_v4 *hdr, int *rw)
 
 	if (hdr->guard != 'Q')
 		return -EINVAL;
-	if (hdr->dout_xfer_len > (q->max_sectors << 9) ||
-	    hdr->din_xfer_len > (q->max_sectors << 9))
-		return -EIO;
 
 	switch (hdr->protocol) {
 	case BSG_PROTOCOL_SCSI:
-- 
1.6.2.1


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH resend] bsg: Remove bogus check against request_queue->max_sectors
  2009-03-19  9:05 [PATCH resend] bsg: Remove bogus check against request_queue->max_sectors Boaz Harrosh
@ 2009-03-24 11:37 ` Jens Axboe
  0 siblings, 0 replies; 2+ messages in thread
From: Jens Axboe @ 2009-03-24 11:37 UTC (permalink / raw)
  To: Boaz Harrosh; +Cc: FUJITA Tomonori, linux-scsi, open-osd mailing-list

On Thu, Mar 19 2009, Boaz Harrosh wrote:
> 
> bsg submits REQ_TYPE_BLOCK_PC so the right check is max_hw_sectors.
> But I've removed this check because right after, bsg proceeds with
> calling blk_rq_map_user() which does all the right checks.
> 
> Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
> ---
>  block/bsg.c |    3 ---
>  1 files changed, 0 insertions(+), 3 deletions(-)
> 
> diff --git a/block/bsg.c b/block/bsg.c
> index 0ce8806..44a2a0f 100644
> --- a/block/bsg.c
> +++ b/block/bsg.c
> @@ -218,9 +218,6 @@ bsg_validate_sgv4_hdr(struct request_queue *q, struct sg_io_v4 *hdr, int *rw)
>  
>  	if (hdr->guard != 'Q')
>  		return -EINVAL;
> -	if (hdr->dout_xfer_len > (q->max_sectors << 9) ||
> -	    hdr->din_xfer_len > (q->max_sectors << 9))
> -		return -EIO;
>  
>  	switch (hdr->protocol) {
>  	case BSG_PROTOCOL_SCSI:

Applied

-- 
Jens Axboe


^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2009-03-24 11:38 UTC | newest]

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2009-03-19  9:05 [PATCH resend] bsg: Remove bogus check against request_queue->max_sectors Boaz Harrosh
2009-03-24 11:37 ` Jens Axboe

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