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author | Dan Carpenter <dan.carpenter@oracle.com> | 2021-09-16 16:23:31 +0300 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-09-30 11:11:04 +0300 |
commit | 0595fc4794c3b0ac9c88d7c609d66c71ba9811b5 (patch) | |
tree | e0196d548021d46252350676c0e3f0009799d29f /drivers/scsi | |
parent | cb948b158a868a5c46b40e95ffafecf1eb82b589 (diff) | |
download | linux-0595fc4794c3b0ac9c88d7c609d66c71ba9811b5.tar.xz |
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>
Diffstat (limited to 'drivers/scsi')
-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 bdea2867516c..2c59a5bf3539 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -6005,7 +6005,8 @@ 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; |