* [PATCH] btrfs: replace EINVAL with ERANGE for resize when ULLONG_MAX
@ 2014-05-29 1:19 Gui Hecheng
0 siblings, 0 replies; only message in thread
From: Gui Hecheng @ 2014-05-29 1:19 UTC (permalink / raw)
To: linux-btrfs; +Cc: Gui Hecheng
To be accurate about the error case,
if the new size is beyond ULLONG_MAX, return ERANGE instead of EINVAL.
Signed-off-by: Gui Hecheng <guihc.fnst@cn.fujitsu.com>
---
fs/btrfs/ioctl.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 05f8df8..f8478c3 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -1562,7 +1562,7 @@ static noinline int btrfs_ioctl_resize(struct file *file,
new_size = old_size - new_size;
} else if (mod > 0) {
if (new_size > ULLONG_MAX - old_size) {
- ret = -EINVAL;
+ ret = -ERANGE;
goto out_free;
}
new_size = old_size + new_size;
--
1.8.1.4
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