From 3d47a34ba6761a64b78a8b89f6bbe93b4e8455f1 Mon Sep 17 00:00:00 2001 From: Marc-André Lureau Date: Wed, 28 Feb 2018 16:06:08 +0100 Subject: fw_cfg: fix sparse warnings around FW_CFG_FILE_DIR read MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Use struct fw_cfg_files to read the directory size, fixing the sparse warnings: drivers/firmware/qemu_fw_cfg.c:485:17: warning: cast to restricted __be32 Signed-off-by: Marc-André Lureau Signed-off-by: Michael S. Tsirkin --- drivers/firmware/qemu_fw_cfg.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) (limited to 'drivers/firmware/qemu_fw_cfg.c') diff --git a/drivers/firmware/qemu_fw_cfg.c b/drivers/firmware/qemu_fw_cfg.c index 0eb155fdfb35..00ad9b862414 100644 --- a/drivers/firmware/qemu_fw_cfg.c +++ b/drivers/firmware/qemu_fw_cfg.c @@ -496,19 +496,20 @@ err_register: static int fw_cfg_register_dir_entries(void) { int ret = 0; + __be32 files_count; u32 count, i; struct fw_cfg_file *dir; size_t dir_size; - fw_cfg_read_blob(FW_CFG_FILE_DIR, &count, 0, sizeof(count)); - count = be32_to_cpu(count); + fw_cfg_read_blob(FW_CFG_FILE_DIR, &files_count, 0, sizeof(files_count)); + count = be32_to_cpu(files_count); dir_size = count * sizeof(struct fw_cfg_file); dir = kmalloc(dir_size, GFP_KERNEL); if (!dir) return -ENOMEM; - fw_cfg_read_blob(FW_CFG_FILE_DIR, dir, sizeof(count), dir_size); + fw_cfg_read_blob(FW_CFG_FILE_DIR, dir, sizeof(files_count), dir_size); for (i = 0; i < count; i++) { ret = fw_cfg_register_file(&dir[i]); -- cgit v1.2.3-59-g8ed1b