diff mbox

btrfs: replace EINVAL with ERANGE for resize when ULLONG_MAX

Message ID 1401326398-13087-1-git-send-email-guihc.fnst@cn.fujitsu.com (mailing list archive)
State Accepted
Headers show

Commit Message

Gui Hecheng May 29, 2014, 1:19 a.m. UTC 
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(-)
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Patch

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;