[PATCH v4 1/5] scsi: ufs: remove max_t in ufs_get_device_desc

Bean Huo
2020-05-31T15:08:49Z

For the UFS device, the maximum descriptor size is 255, max_t called
in ufs_get_device_desc() is useless.

Signed-off-by: Bart van Assche <bvanassche@acm.org>
Signed-off-by: Bean Huo <beanhuo@micron.com>
Acked-by: Avri Altman <avri.altman@wdc.com>
Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>
---
drivers/scsi/ufs/ufshcd.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index aca50ed39844..f57acfbf9d60 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -6876,14 +6876,11 @@ static void ufs_fixup_device_setup(struct ufs_hba *hba)
static int ufs_get_device_desc(struct ufs_hba *hba)
{
int err;
- size_t buff_len;
u8 model_index;
u8 *desc_buf;
struct ufs_dev_info *dev_info = &hba->dev_info;

- buff_len = max_t(size_t, hba->desc_size.dev_desc,
- QUERY_DESC_MAX_SIZE + 1);
- desc_buf = kmalloc(buff_len, GFP_KERNEL);
+ desc_buf = kmalloc(QUERY_DESC_MAX_SIZE, GFP_KERNEL);
if (!desc_buf) {
err = -ENOMEM;
goto out;
--
2.17.1