Changes in / [15eeb93:dc9162b] in mainline

File:

• uspace/srv/fs/fat/fat_ops.c (modified) (1 diff)

uspace/srv/fs/fat/fat_ops.c

@@ -324 +324 @@
         /* Check number of sectors per FAT. */
         if (bs->sec_per_fat == 0)
+                return ENOTSUP;
+
+        /*
+         * Check that the root directory entries take up whole blocks.
+         * This check is rather strict, but it allows us to treat the root
+         * directory and non-root directories uniformly in some places.
+         * It can be removed provided that functions such as fat_read() are
+         * sanitized to support file systems with this property.
+         */
+        if ((uint16_t_le2host(bs->root_ent_max) * sizeof(fat_dentry_t)) %
+            uint16_t_le2host(bs->bps) != 0)
                 return ENOTSUP;