Close device and free super block on failure to read boot sector.

diff --git a/libexfat/mount.c b/libexfat/mount.c
index f671686..d10fc98 100644 (file)
--- a/libexfat/mount.c
+++ b/libexfat/mount.c
@@ -189,6 +189,8 @@ int exfat_mount(struct exfat* ef, const char* spec, const char* options)
 
        if (exfat_pread(ef->dev, ef->sb, sizeof(struct exfat_super_block), 0) < 0)
        {
+               exfat_close(ef->dev);
+               free(ef->sb);
                exfat_error("failed to read boot sector");
                return -EIO;
        }