From a84a12d34f824fdff06d8191990a94cdb1c17dae Mon Sep 17 00:00:00 2001 From: Huan Tang Date: Wed, 23 Apr 2025 17:29:17 +0800 Subject: [PATCH] scsi: ufs: core: Fix WB resize using wrong offset Commit 500d4b742e0c ("scsi: ufs: core: Add WB buffer resize support") incorrectly reads the value of offset DEVICE_DESC_PARAM_EXT_UFS_FEATURE_SUP to determine whether WB resize is supported. Fix the issue by reading the value of DEVICE_DESC_PARAM_EXT_WB_SUP to determine whether the device supports WB resize. Fixes: 500d4b742e0c ("scsi: ufs: core: Add WB buffer resize support") Reported-by: Peter Wang Closes: https://lore.kernel.org/all/7ce05b28f5d4b4b4973244310010c1487 Signed-off-by: Huan Tang Link: https://lore.kernel.org/r/20250423092917.1031-1-tanghuan@vivo.com Reviewed-by: Peter Wang Signed-off-by: Martin K. Petersen --- drivers/ufs/core/ufshcd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index dc55c94fa45e..1c53ccf5a616 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -8143,7 +8143,7 @@ static void ufshcd_wb_probe(struct ufs_hba *hba, const u8 *desc_buf) dev_info->wb_buffer_type = desc_buf[DEVICE_DESC_PARAM_WB_TYPE]; dev_info->ext_wb_sup = get_unaligned_be16(desc_buf + - DEVICE_DESC_PARAM_EXT_UFS_FEATURE_SUP); + DEVICE_DESC_PARAM_EXT_WB_SUP); dev_info->b_presrv_uspc_en = desc_buf[DEVICE_DESC_PARAM_WB_PRESRV_USRSPC_EN]; -- 2.25.1