btrfs-progs: Fix over-sized limit on buffer

Commit Message

Hugo Mills June 12, 2011, 8:57 p.m. UTC

gcc-4.4 complains (rightly) that the strncpy has a limit too large for
the array it's copying into. Use the correct array length.

Signed-off-by: Hugo Mills <[e-mail]>
---
 btrfs_cmds.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

Patch

diff --git a/btrfs_cmds.c b/btrfs_cmds.c
index 7de28b6..9d94f6f 100644
--- a/btrfs_cmds.c
+++ b/btrfs_cmds.c
@@ -427,7 +427,7 @@  int do_clone(int argc, char **argv)
 	}
 
 	args.fd = fd;
-	strncpy(args.name, newname, BTRFS_PATH_NAME_MAX);
+	strncpy(args.name, newname, BTRFS_SUBVOL_NAME_MAX);
 	res = ioctl(fddst, BTRFS_IOC_SNAP_CREATE_V2, &args);
 	e = errno;