X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=engines%2Fe4defrag.c;h=4b444888aa9bb51c5a660aee67f385dd6f20c021;hb=0cf542af81751d7b318afe4429001c1aab6baee5;hp=e53636eb26e382b3e318abef48bd3b211d2695f1;hpb=a89ba4b12939c802875a3548a5de3eb64ce86a0a;p=fio.git

diff --git a/engines/e4defrag.c b/engines/e4defrag.c
index e53636eb..4b444888 100644
--- a/engines/e4defrag.c
+++ b/engines/e4defrag.c
@@ -95,7 +95,7 @@ static int fio_e4defrag_init(struct thread_data *td)
 	ed->donor_fd = open(donor_name, O_CREAT|O_WRONLY, 0644);
 	if (ed->donor_fd < 0) {
 		td_verror(td, errno, "io_queue_init");
-		log_err("Can't open donor file %s err:%d", donor_name, ed->donor_fd);
+		log_err("Can't open donor file %s err:%d\n", donor_name, ed->donor_fd);
 		free(ed);
 		return 1;
 	}
@@ -172,8 +172,13 @@ static int fio_e4defrag_queue(struct thread_data *td, struct io_u *io_u)
 		len = io_u->xfer_buflen;
 
 	if (len != io_u->xfer_buflen) {
-		io_u->resid = io_u->xfer_buflen - len;
-		io_u->error = 0;
+		if (len) {
+			io_u->resid = io_u->xfer_buflen - len;
+			io_u->error = 0;
+		} else {
+			/* access beyond i_size */
+			io_u->error = EINVAL;
+		}
 	}
 	if (ret)
 		io_u->error = errno;