Looks good so far. But do we really need the last two lines? > + if (len > 16) > + len = 16; Acked-by: Achim Leubner <Achim_Leubner@xxxxxxxxxxxxxx> Thanks, Achim -----Original Message----- From: linux-scsi-owner@xxxxxxxxxxxxxxx [mailto:linux-scsi-owner@xxxxxxxxxxxxxxx] On Behalf Of Rolf Eike Beer Sent: Mittwoch, 5. Oktober 2011 09:35 To: Dan Carpenter Cc: Adaptec OEM Raid Solutions; James E.J. Bottomley; linux-scsi@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; kernel-janitors@xxxxxxxxxxxxxxx Subject: Re: [patch] [SCSI] aacraid: use lower snprintf() limit > This is just a cleanup, to silence static checker warnings. It > doesn't change how the code works. > > buf[] can either be BUF_SIZE if this is called from sysfs, or it can > be 16 if it's called from aac_get_adapter_info() via > aac_get_serial_number(). We use the smaller limit here. > > sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo) is 12 so there > is actually no chance of hitting either limit. > > Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> > > diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c > index 3382475..ea8d96e 100644 > --- a/drivers/scsi/aacraid/linit.c > +++ b/drivers/scsi/aacraid/linit.c > @@ -894,15 +894,20 @@ static ssize_t aac_show_serial_number(struct device > *device, > int len = 0; > > if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0) > - len = snprintf(buf, PAGE_SIZE, "%06X\n", > + len = snprintf(buf, 16, "%06X\n", > le32_to_cpu(dev->adapter_info.serial[0])); > if (len && > !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[ > sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)-len], > buf, len-1)) > - len = snprintf(buf, PAGE_SIZE, "%.*s\n", > + len = snprintf(buf, 16, "%.*s\n", > (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo), > dev->supplement_adapter_info.MfgPcbaSerialNo); > + > + One newline too much. > + if (len > 16) > + len = 16; max()? Eike -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
