On Thu, Jul 4, 2024 at 12:17 AM Chao Yu <c...@kernel.org> wrote: > > On 2024/7/4 9:01, Daejun Park wrote: > > This patch fixes a potentially null pointer being accessed by > > is_end_zone_blkaddr() that checks the last block of a zone > > when f2fs is mounted as a single device. > > blkzoned feature depends on multiple device feature? One regular > device and one seq-zone device? > > Thanks, > > > > > Fixes: e067dc3c6b9c ("f2fs: maintain six open zones for zoned devices") > > Signed-off-by: Daejun Park <daejun7.p...@samsung.com> > > --- > > fs/f2fs/data.c | 4 +++- > > 1 file changed, 3 insertions(+), 1 deletion(-) > > > > diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c > > index b6dcb3bcaef7..1aa7eefa659c 100644 > > --- a/fs/f2fs/data.c > > +++ b/fs/f2fs/data.c > > @@ -925,6 +925,7 @@ int f2fs_merge_page_bio(struct f2fs_io_info *fio) > > #ifdef CONFIG_BLK_DEV_ZONED > > static bool is_end_zone_blkaddr(struct f2fs_sb_info *sbi, block_t blkaddr) > > { > > + struct block_device *bdev = sbi->sb->s_bdev; > > int devi = 0; > > > > if (f2fs_is_multi_device(sbi)) { > > @@ -935,8 +936,9 @@ static bool is_end_zone_blkaddr(struct f2fs_sb_info > > *sbi, block_t blkaddr) > > return false; > > } > > blkaddr -= FDEV(devi).start_blk; > > + bdev = FDEV(devi).bdev; > > } > > - return bdev_is_zoned(FDEV(devi).bdev) && > > + return bdev_is_zoned(bdev) && > > f2fs_blkz_is_seq(sbi, devi, blkaddr) && > > (blkaddr % sbi->blocks_per_blkz == sbi->blocks_per_blkz - 1); > > } >
Reviewed-by: Daeho Jeong <daehoje...@google.com> Thanks, > > _______________________________________________ > Linux-f2fs-devel mailing list > Linux-f2fs-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel