X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=engines%2Fe4defrag.c;h=8f71d02caa947867339d980e0f2722c9a5751b8d;hp=1e4996f155ef5d258ae98a2a6748701c84e5413c;hb=HEAD;hpb=c58390119ccf711ab66e53aff6aa31507c509900

diff --git a/engines/e4defrag.c b/engines/e4defrag.c
index 1e4996f1..37cc2ada 100644
--- a/engines/e4defrag.c
+++ b/engines/e4defrag.c
@@ -9,11 +9,7 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <sys/uio.h>
 #include <errno.h>
-#include <assert.h>
 #include <fcntl.h>
 
 #include "../fio.h"
@@ -76,17 +72,16 @@ static int fio_e4defrag_init(struct thread_data *td)
 	struct stat stub;
 	char donor_name[PATH_MAX];
 
-	if (!strlen(o->donor_name)) {
+	if (!o->donor_name || !strlen(o->donor_name)) {
 		log_err("'donorname' options required\n");
 		return 1;
 	}
 
-	ed = malloc(sizeof(*ed));
+	ed = calloc(1, sizeof(*ed));
 	if (!ed) {
 		td_verror(td, ENOMEM, "io_queue_init");
 		return 1;
 	}
-	memset(ed, 0 ,sizeof(*ed));
 
 	if (td->o.directory)
 		len = sprintf(donor_name, "%s/", td->o.directory);
@@ -131,7 +126,8 @@ static void fio_e4defrag_cleanup(struct thread_data *td)
 }
 
 
-static int fio_e4defrag_queue(struct thread_data *td, struct io_u *io_u)
+static enum fio_q_status fio_e4defrag_queue(struct thread_data *td,
+					    struct io_u *io_u)
 {
 
 	int ret;
@@ -172,8 +168,13 @@ 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;