Re: [PATCH 0/3] xfs: handle ERR_PTR return from bio_split

[Carlos Maiolino <cem@kernel.org>]

On Sat, Apr 18, 2026 at 05:27:12PM +0800, Long Li wrote:
> bio_split() now returns ERR_PTR() on failure rather than NULL. xfs code
> currently ignores the return value of bio_split() and dereferences it
> unconditionally, which will crash if bio_split() returns an error pointer.
> 
> Add an IS_ERR() check after bio_split(), and perform corresponding error
> handling.
> 
> Long Li (3):
>   xfs: handle ERR_PTR return from bio_split in xfs_buf_submit_bio
>   xfs: handle ERR_PTR return from bio_split in xlog_write_iclog
>   xfs: handle ERR_PTR return from bio_split in xfs_zone_gc_split_write

All those patches should be merged into a single patch. You don't need a single
patch for each function just to handle the same update.

> 
>  fs/xfs/xfs_buf.c     |  6 ++++++
>  fs/xfs/xfs_log.c     |  2 ++
>  fs/xfs/xfs_zone_gc.c | 10 +++++++++-
>  3 files changed, 17 insertions(+), 1 deletion(-)
> 
> -- 
> 2.39.2
> 
>