[patch 1/5] vfs: truncate: dont check immutable twice

vfs_permission(MAY_WRITE) already checked for the inode being
immutable, so no need to repeat it.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Acked-by: Christoph Hellwig <hch@infradead.org>

diff --git a/fs/open.c b/fs/open.c
index bb98d2f..b2e4c93 100644 (file)
--- a/fs/open.c
+++ b/fs/open.c
@@ -256,7 +256,7 @@ static long do_sys_truncate(const char __user * path, loff_t length)
                goto mnt_drop_write_and_out;
 
        error = -EPERM;
-       if (IS_IMMUTABLE(inode) || IS_APPEND(inode))
+       if (IS_APPEND(inode))
                goto mnt_drop_write_and_out;
 
        error = get_write_access(inode);