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path: root/drivers/target/target_core_file.c
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Diffstat (limited to 'drivers/target/target_core_file.c')
-rw-r--r--drivers/target/target_core_file.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c
index 7d6cddaec525..72c83d98662b 100644
--- a/drivers/target/target_core_file.c
+++ b/drivers/target/target_core_file.c
@@ -415,7 +415,7 @@ fd_execute_sync_cache(struct se_cmd *cmd)
} else {
start = cmd->t_task_lba * dev->dev_attrib.block_size;
if (cmd->data_length)
- end = start + cmd->data_length;
+ end = start + cmd->data_length - 1;
else
end = LLONG_MAX;
}
@@ -680,7 +680,12 @@ fd_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
struct fd_dev *fd_dev = FD_DEV(dev);
loff_t start = cmd->t_task_lba *
dev->dev_attrib.block_size;
- loff_t end = start + cmd->data_length;
+ loff_t end;
+
+ if (cmd->data_length)
+ end = start + cmd->data_length - 1;
+ else
+ end = LLONG_MAX;
vfs_fsync_range(fd_dev->fd_file, start, end, 1);
}
@@ -762,7 +767,9 @@ static ssize_t fd_set_configfs_dev_params(struct se_device *dev,
fd_dev->fbd_flags |= FBDF_HAS_SIZE;
break;
case Opt_fd_buffered_io:
- match_int(args, &arg);
+ ret = match_int(args, &arg);
+ if (ret)
+ goto out;
if (arg != 1) {
pr_err("bogus fd_buffered_io=%d value\n", arg);
ret = -EINVAL;