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| author | Marc-André Lureau <marcandre.lureau@redhat.com> | 2018-02-28 16:06:08 +0100 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2018-03-20 03:17:39 +0200 |
| commit | 3d47a34ba6761a64b78a8b89f6bbe93b4e8455f1 (patch) | |
| tree | dca063229a600f43262cbeabf8bf75a47ee5bf39 /drivers/firmware | |
| parent | f295c8dba71841f007e2154143109d1517670a08 (diff) | |
| download | linux-3d47a34ba6761a64b78a8b89f6bbe93b4e8455f1.tar.bz2 | |
fw_cfg: fix sparse warnings around FW_CFG_FILE_DIR read
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 <marcandre.lureau@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'drivers/firmware')
| -rw-r--r-- | drivers/firmware/qemu_fw_cfg.c | 7 |
1 files changed, 4 insertions, 3 deletions
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]); |