Re: [PATCH linux-next] fs/ext4: use BUG_ON instead of if condition followed by BUG
From: Lukas Czerner <hidden>
Date: 2021-12-20 10:24:35
Also in:
lkml
From: Lukas Czerner <hidden>
Date: 2021-12-20 10:24:35
Also in:
lkml
On Sun, Dec 19, 2021 at 01:06:43PM +0000, cgel.zte@gmail.com wrote:
From: xu xin <xu.xin16@zte.com.cn> BUG_ON would be better.
Indeed. Thanks for the patch. Reviewed-by: Lukas Czerner <redacted>
This issue was detected with the help of Coccinelle. Reported-by: Zeal robot <redacted> Signed-off-by: xu xin <xu.xin16@zte.com.cn> --- fs/ext4/ext4.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 9cc55bcda6ba..00bc3f67d37f 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h@@ -2400,8 +2400,7 @@ ext4_rec_len_from_disk(__le16 dlen, unsigned blocksize) static inline __le16 ext4_rec_len_to_disk(unsigned len, unsigned blocksize) { - if ((len > blocksize) || (blocksize > (1 << 18)) || (len & 3)) - BUG(); + BUG_ON((len > blocksize) || (blocksize > (1 << 18)) || (len & 3)); #if (PAGE_SIZE >= 65536) if (len < 65536) return cpu_to_le16(len);-- 2.25.1