From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============1457673999315831648==" MIME-Version: 1.0 From: Chao Yu To: kbuild-all@lists.01.org Subject: Re: [chao-linux:dev 9/9] fs/f2fs/inline.c:205 f2fs_convert_inline_inode() error: uninitialized symbol 'ipage'. Date: Fri, 05 Mar 2021 09:21:54 +0800 Message-ID: In-Reply-To: <20210304132242.GB2087@kadam> List-Id: --===============1457673999315831648== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable On 2021/3/4 21:22, Dan Carpenter wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git dev > head: 07f5b791de7cd7d985c5d0ccd3b6c9096907f75e > commit: 07f5b791de7cd7d985c5d0ccd3b6c9096907f75e [9/9] f2fs: fix to avoid= uninitialized value > config: x86_64-randconfig-m001-20210303 (attached as .config) > compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 > = > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot > Reported-by: Dan Carpenter > = > smatch warnings: > fs/f2fs/inline.c:205 f2fs_convert_inline_inode() error: uninitialized sym= bol 'ipage'. Dan, Thanks for the report, however Colin Ian King has posted the right fix, and Jaegeuk has merged it into f2fs dev branch: https://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git/commit/?h= =3Ddev&id=3D74eb6804516bbd203d19273358b465e8f03fdcf4 Thanks, > = > vim +/ipage +205 fs/f2fs/inline.c > = > b3d208f96d6bb2 Jaegeuk Kim 2014-10-23 184 int f2fs_convert_inline_inode= (struct inode *inode) > e18c65b2ac91aa Huajun Li 2013-11-10 185 { > b3d208f96d6bb2 Jaegeuk Kim 2014-10-23 186 struct f2fs_sb_info *sbi =3D= F2FS_I_SB(inode); > b3d208f96d6bb2 Jaegeuk Kim 2014-10-23 187 struct dnode_of_data dn; > b3d208f96d6bb2 Jaegeuk Kim 2014-10-23 188 struct page *ipage, *page; > b3d208f96d6bb2 Jaegeuk Kim 2014-10-23 189 int err =3D 0; > e18c65b2ac91aa Huajun Li 2013-11-10 190 > ec2ddf499402a6 Jaegeuk Kim 2020-12-03 191 if (!f2fs_has_inline_data(in= ode) || > ec2ddf499402a6 Jaegeuk Kim 2020-12-03 192 f2fs_hw_is_readonly(sbi) |= | f2fs_readonly(sbi->sb)) > b9d777b85ff1ff Jaegeuk Kim 2015-12-22 193 return 0; > b9d777b85ff1ff Jaegeuk Kim 2015-12-22 194 > 25fb04dbce6a0e Yi Chen 2021-01-28 195 err =3D dquot_initialize(ino= de); > 25fb04dbce6a0e Yi Chen 2021-01-28 196 if (err) > 25fb04dbce6a0e Yi Chen 2021-01-28 197 return err; > 25fb04dbce6a0e Yi Chen 2021-01-28 198 > 300e129c15f0ed Jaegeuk Kim 2016-04-29 199 page =3D f2fs_grab_cache_pag= e(inode->i_mapping, 0, false); > b3d208f96d6bb2 Jaegeuk Kim 2014-10-23 200 if (!page) > 9e09fc855dd6f6 Jaegeuk Kim 2013-12-27 201 return -ENOMEM; > b3d208f96d6bb2 Jaegeuk Kim 2014-10-23 202 > b3d208f96d6bb2 Jaegeuk Kim 2014-10-23 203 f2fs_lock_op(sbi); > b3d208f96d6bb2 Jaegeuk Kim 2014-10-23 204 > 07f5b791de7cd7 Chao Yu 2021-03-03 @205 set_new_dnode(&dn, inode, ip= age, ipage, 0); > = ^^^^^^^^^^^^^ > Not intialized until the next line. > = > 07f5b791de7cd7 Chao Yu 2021-03-03 206 > 4d57b86dd86404 Chao Yu 2018-05-30 207 ipage =3D f2fs_get_node_page= (sbi, inode->i_ino); > b3d208f96d6bb2 Jaegeuk Kim 2014-10-23 208 if (IS_ERR(ipage)) { > 6d20aff83c24e9 Jaegeuk Kim 2014-11-17 209 err =3D PTR_ERR(ipage); > 6d20aff83c24e9 Jaegeuk Kim 2014-11-17 210 goto out; > b067ba1f1b3fa7 Jaegeuk Kim 2014-08-07 211 } > b3d208f96d6bb2 Jaegeuk Kim 2014-10-23 212 > b3d208f96d6bb2 Jaegeuk Kim 2014-10-23 213 if (f2fs_has_inline_data(ino= de)) > b3d208f96d6bb2 Jaegeuk Kim 2014-10-23 214 err =3D f2fs_convert_inline= _page(&dn, page); > b3d208f96d6bb2 Jaegeuk Kim 2014-10-23 215 > b3d208f96d6bb2 Jaegeuk Kim 2014-10-23 216 f2fs_put_dnode(&dn); > 6d20aff83c24e9 Jaegeuk Kim 2014-11-17 217 out: > b3d208f96d6bb2 Jaegeuk Kim 2014-10-23 218 f2fs_unlock_op(sbi); > b3d208f96d6bb2 Jaegeuk Kim 2014-10-23 219 > b3d208f96d6bb2 Jaegeuk Kim 2014-10-23 220 f2fs_put_page(page, 1); > 2a3407607028f7 Jaegeuk Kim 2015-12-22 221 > 2c4db1a6f6b42e Jaegeuk Kim 2016-01-07 222 f2fs_balance_fs(sbi, dn.node= _changed); > 2a3407607028f7 Jaegeuk Kim 2015-12-22 223 > e18c65b2ac91aa Huajun Li 2013-11-10 224 return err; > e18c65b2ac91aa Huajun Li 2013-11-10 225 } > = > --- > 0-DAY CI Kernel Test Service, Intel Corporation > https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org >=20 --===============1457673999315831648==--