From: Tomas Winkler <tomas.winkler@intel.com>
Date: Thu, 5 Jan 2017 08:45:11 +0000 (+0200)
Subject: scsi: ufs: ufshcd_get_max_icc_level fix endianity handling
X-Git-Tag: v4.11-rc1~141^2~126
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=d79713f911918e43576338e33396c7f889f5d272;p=karo-tx-linux.git

scsi: ufs: ufshcd_get_max_icc_level fix endianity handling

Reading big endian value from a buffer requires explicit cast.
Fix sparse warning:
drivers/scsi/ufs/ufshcd.c:4825:24: warning: cast to restricted __be16

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Reviewed-by: Subhash Jadavani <subhashj@codeaurora.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---

diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index b9b653d332e0..99731a062f80 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -5266,7 +5266,7 @@ static u32 ufshcd_get_max_icc_level(int sup_curr_uA, u32 start_scan, char *buff)
 	u16 unit;
 
 	for (i = start_scan; i >= 0; i--) {
-		data = be16_to_cpu(*((u16 *)(buff + 2*i)));
+		data = be16_to_cpup((__be16 *)&buff[2 * i]);
 		unit = (data & ATTR_ICC_LVL_UNIT_MASK) >>
 						ATTR_ICC_LVL_UNIT_OFFSET;
 		curr_uA = data & ATTR_ICC_LVL_VALUE_MASK;