[PATCH] 9p: Use BUG_ON instead of if condition followed by BUG.

[cgel . zte]

From: Zhang Mingyu <zhang.mingyu@xxxxxxxxxx>

This issue was detected with the help of Coccinelle.

Reported-by: Zeal Robot <zealci@xxxxxxxxxx>
Signed-off-by: Zhang Mingyu <zhang.mingyu@xxxxxxxxxx>
---
 fs/9p/vfs_file.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index 4244d48398ef..f2375448cafc 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -139,8 +139,7 @@ static int v9fs_file_do_lock(struct file *filp, int cmd, struct file_lock *fl)
 	fid = filp->private_data;
 	BUG_ON(fid == NULL);
 
-	if ((fl->fl_flags & FL_POSIX) != FL_POSIX)
-		BUG();
+	BUG_ON((fl->fl_flags & FL_POSIX) != FL_POSIX);
 
 	res = locks_lock_file_wait(filp, fl);
 	if (res < 0)
-- 
2.25.1