ext2: Bug fix. Incorrect assumption that `len` is not modified.

I appear to have assumed that len would always be the number requested
not the number left to be read. Therefore to get the number of bytes
left ot read I did `len - rc` but the `- rc` was already accounted for
by line 298.

1 files changed, 1 insertions, 1 deletions

diff --git a/kernel/fs/ext2.c b/kernel/fs/ext2.c
index c8c8074..db95e33 100644
--- a/kernel/fs/ext2.c
+++ b/kernel/fs/ext2.c
@@ -293,7 +293,7 @@ int ext2_read_dir(int dir_inode, u8 *buffer, size_t len, size_t offset) {
     u8 *p = (u8 *)&tmp_entry;
     size_t l = sizeof(struct dirent);
 
-    l = min(len - rc, l);
+    l = min(len, l);
     memcpy(buffer + rc, p, l);
     len -= l;
     rc += l;