Handle reading outside EOF.

[bertos.git] / bertos / fs / battfs.c

diff --git a/bertos/fs/battfs.c b/bertos/fs/battfs.c
index 9bc8bdfd0b649b556743dcb1fae4b68eef509f6f..119085907637112386c7ef5094722166e981e127 100644 (file)
--- a/bertos/fs/battfs.c
+++ b/bertos/fs/battfs.c
@@ -665,7 +665,7 @@ static size_t battfs_read(struct KFile *fd, void *_buf, size_t size)
        pgaddr_t addr_offset;
        pgaddr_t read_len;
 
-       size = MIN((kfile_off_t)size, fd->size - fd->seek_pos);
+       size = MIN((kfile_off_t)size, MAX(fd->size - fd->seek_pos, 0));
 
        while (size)
        {