diff options
| author | Dan Carpenter <dan.carpenter@oracle.com> | 2021-09-16 16:23:31 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-09-30 10:09:24 +0200 |
| commit | 1b59625da697fd2eba78d00755efcb60b070a593 (patch) | |
| tree | eed8eb05e40d965b00a8931f715eeab13f7e3219 | |
| parent | 30d373dc350125bd9aaff0c2719ba162bd63b936 (diff) | |
scsi: lpfc: Use correct scnprintf() limit
[ Upstream commit 6dacc371b77f473770ec646e220303a84fe96c11 ]
The limit should be "PAGE_SIZE - len" instead of "PAGE_SIZE". We're not
going to hit the limit so this fix will not affect runtime.
Link: https://lore.kernel.org/r/20210916132331.GE25094@kili
Fixes: 5b9e70b22cc5 ("scsi: lpfc: raise sg count for nvme to use available sg resources")
Reviewed-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_attr.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index 45db19e31b34..f0ecfe565660 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -5881,7 +5881,8 @@ lpfc_sg_seg_cnt_show(struct device *dev, struct device_attribute *attr, len = scnprintf(buf, PAGE_SIZE, "SGL sz: %d total SGEs: %d\n", phba->cfg_sg_dma_buf_size, phba->cfg_total_seg_cnt); - len += scnprintf(buf + len, PAGE_SIZE, "Cfg: %d SCSI: %d NVME: %d\n", + len += scnprintf(buf + len, PAGE_SIZE - len, + "Cfg: %d SCSI: %d NVME: %d\n", phba->cfg_sg_seg_cnt, phba->cfg_scsi_seg_cnt, phba->cfg_nvme_seg_cnt); return len; |