From: jintae jang <jt77.jang@xxxxxxxxxxx>
Invalidation check of arguments should have been checked before
ufshcd_hold(). It can help to prevent ufshcd_hold()/
ufshcd_release() from being invoked unnecessarily.
Signed-off-by: jintae jang <jt77.jang@xxxxxxxxxxx>
---
drivers/scsi/ufs/ufshcd.c | 15 +++++++--------
1 file changed, 7 insertions(+), 8 deletions(-)
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 51b4e0a..0b60931 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -2978,14 +2978,14 @@ int ufshcd_query_attr(struct ufs_hba *hba, enum query_opcode opcode,
BUG_ON(!hba);
- ufshcd_hold(hba, false);
if (!attr_val) {
dev_err(hba->dev, "%s: attribute value required for opcode 0x%x\n",
__func__, opcode);
- err = -EINVAL;
- goto out;
+ return -EINVAL;
}
+ ufshcd_hold(hba, false);
+
mutex_lock(&hba->dev_cmd.lock);
ufshcd_init_query(hba, &request, &response, opcode, idn, index,
selector);
@@ -3069,21 +3069,20 @@ static int __ufshcd_query_descriptor(struct ufs_hba *hba,
BUG_ON(!hba);
- ufshcd_hold(hba, false);
if (!desc_buf) {
dev_err(hba->dev, "%s: descriptor buffer required for opcode 0x%x\n",
__func__, opcode);
- err = -EINVAL;
- goto out;
+ return -EINVAL;
}
if (*buf_len < QUERY_DESC_MIN_SIZE || *buf_len > QUERY_DESC_MAX_SIZE) {
dev_err(hba->dev, "%s: descriptor buffer size (%d) is out of range\n",
__func__, *buf_len);
- err = -EINVAL;
- goto out;
+ return -EINVAL;
}
+ ufshcd_hold(hba, false);
+
mutex_lock(&hba->dev_cmd.lock);
ufshcd_init_query(hba, &request, &response, opcode, idn, index,
selector);
--
1.9.1
