File pre-read lseek error check
Signed-off-by: Jens Axboe <axboe@fb.com>
diff --git a/filesetup.c b/filesetup.c
index 12da0e6..fa09219 100644
--- a/filesetup.c
+++ b/filesetup.c
@@ -194,7 +194,7 @@
static int pre_read_file(struct thread_data *td, struct fio_file *f)
{
- int r, did_open = 0, old_runstate;
+ int ret = 0, r, did_open = 0, old_runstate;
unsigned long long left;
unsigned int bs;
char *b;
@@ -216,7 +216,13 @@
b = malloc(bs);
memset(b, 0, bs);
- lseek(f->fd, f->file_offset, SEEK_SET);
+ if (lseek(f->fd, f->file_offset, SEEK_SET) < 0) {
+ td_verror(td, errno, "lseek");
+ log_err("fio: failed to lseek pre-read file\n");
+ ret = 1;
+ goto error;
+ }
+
left = f->io_size;
while (left && !td->terminate) {
@@ -234,12 +240,14 @@
}
}
+error:
td_restore_runstate(td, old_runstate);
if (did_open)
td->io_ops->close_file(td, f);
+
free(b);
- return 0;
+ return ret;
}
static unsigned long long get_rand_file_size(struct thread_data *td)