Re: [patch] cxlflash: off by one bug in cxlflash_show_port_status()

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



> On Aug 14, 2015, at 3:35 PM, Dan Carpenter <dan.carpenter@xxxxxxxxxx> wrote:
> 
> The > should be >= or we read one element past the end of the array.

Dan - Good catch!

Acked-by: Matthew R. Ochs <mrochs@xxxxxxxxxxxxxxxxxx>

> 
> Fixes: c21e0bbfc485 ('cxlflash: Base support for IBM CXL Flash Adapter')
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> 
> Fixes: c21e0bbfc485 ('cxlflash: Base support for IBM CXL Flash Adapter')
> diff --git a/drivers/scsi/cxlflash/main.c b/drivers/scsi/cxlflash/main.c
> index 0720d2f..fd70101 100644
> --- a/drivers/scsi/cxlflash/main.c
> +++ b/drivers/scsi/cxlflash/main.c
> @@ -539,7 +539,7 @@ static ssize_t cxlflash_show_port_status(struct device *dev,
> 	u64 *fc_regs;
> 
> 	rc = kstrtouint((attr->attr.name + 4), 10, &port);
> -	if (rc || (port > NUM_FC_PORTS))
> +	if (rc || (port >= NUM_FC_PORTS))
> 		return 0;
> 
> 	fc_regs = &afu->afu_map->global.fc_regs[port][0];
> 

--
To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Kernel Development]     [Kernel Announce]     [Kernel Newbies]     [Linux Networking Development]     [Share Photos]     [IDE]     [Security]     [Git]     [Netfilter]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Device Mapper]

  Powered by Linux