Hi Ronnie, url: https://github.com/0day-ci/linux/commits/Ronnie-Sahlberg/cifs-add-support-for-FALLOC_FL_COLLAPSE_RANGE/20210326-093328 base: git://git.samba.org/sfrench/cifs-2.6.git for-next config: i386-randconfig-m021-20210325 (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 <lkp@xxxxxxxxx> Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> New smatch warnings: fs/cifs/smb2ops.c:3654 smb3_collapse_range() warn: statement has no effect 5 fs/cifs/smb2ops.c:3654 smb3_collapse_range() error: uninitialized symbol 'rc'. Old smatch warnings: fs/cifs/smb2ops.c:3660 smb3_collapse_range() warn: statement has no effect 5 fs/cifs/smb2ops.c:3660 smb3_collapse_range() error: uninitialized symbol 'rc'. vim +3654 fs/cifs/smb2ops.c 0536911dc253bd Ronnie Sahlberg 2021-03-26 3643 static long smb3_collapse_range(struct file *file, struct cifs_tcon *tcon, 0536911dc253bd Ronnie Sahlberg 2021-03-26 3644 loff_t off, loff_t len) 0536911dc253bd Ronnie Sahlberg 2021-03-26 3645 { 0536911dc253bd Ronnie Sahlberg 2021-03-26 3646 int rc; 0536911dc253bd Ronnie Sahlberg 2021-03-26 3647 unsigned int xid; 0536911dc253bd Ronnie Sahlberg 2021-03-26 3648 struct cifsFileInfo *cfile = file->private_data; 0536911dc253bd Ronnie Sahlberg 2021-03-26 3649 __le64 eof; 0536911dc253bd Ronnie Sahlberg 2021-03-26 3650 0536911dc253bd Ronnie Sahlberg 2021-03-26 3651 xid = get_xid(); 0536911dc253bd Ronnie Sahlberg 2021-03-26 3652 0536911dc253bd Ronnie Sahlberg 2021-03-26 3653 if (off + len < off) { 0536911dc253bd Ronnie Sahlberg 2021-03-26 @3654 rc -EFBIG; Missing = character. 0536911dc253bd Ronnie Sahlberg 2021-03-26 3655 goto out; 0536911dc253bd Ronnie Sahlberg 2021-03-26 3656 } 0536911dc253bd Ronnie Sahlberg 2021-03-26 3657 0536911dc253bd Ronnie Sahlberg 2021-03-26 3658 if (off >= i_size_read(file->f_inode) || 0536911dc253bd Ronnie Sahlberg 2021-03-26 3659 off + len >= i_size_read(file->f_inode)) { 0536911dc253bd Ronnie Sahlberg 2021-03-26 3660 rc -EINVAL; 0536911dc253bd Ronnie Sahlberg 2021-03-26 3661 goto out; 0536911dc253bd Ronnie Sahlberg 2021-03-26 3662 } 0536911dc253bd Ronnie Sahlberg 2021-03-26 3663 0536911dc253bd Ronnie Sahlberg 2021-03-26 3664 rc = smb2_copychunk_range(xid, cfile, cfile, off + len, 0536911dc253bd Ronnie Sahlberg 2021-03-26 3665 i_size_read(file->f_inode) - off - len, off); 0536911dc253bd Ronnie Sahlberg 2021-03-26 3666 if (rc < 0) 0536911dc253bd Ronnie Sahlberg 2021-03-26 3667 goto out; 0536911dc253bd Ronnie Sahlberg 2021-03-26 3668 0536911dc253bd Ronnie Sahlberg 2021-03-26 3669 eof = i_size_read(file->f_inode) - len; 0536911dc253bd Ronnie Sahlberg 2021-03-26 3670 rc = SMB2_set_eof(xid, tcon, cfile->fid.persistent_fid, 0536911dc253bd Ronnie Sahlberg 2021-03-26 3671 cfile->fid.volatile_fid, cfile->pid, &eof); 0536911dc253bd Ronnie Sahlberg 2021-03-26 3672 if (rc < 0) 0536911dc253bd Ronnie Sahlberg 2021-03-26 3673 goto out; 0536911dc253bd Ronnie Sahlberg 2021-03-26 3674 0536911dc253bd Ronnie Sahlberg 2021-03-26 3675 rc = 0; 0536911dc253bd Ronnie Sahlberg 2021-03-26 3676 out: 0536911dc253bd Ronnie Sahlberg 2021-03-26 3677 free_xid(xid); 0536911dc253bd Ronnie Sahlberg 2021-03-26 3678 return rc; 0536911dc253bd Ronnie Sahlberg 2021-03-26 3679 } --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
Attachment:
.config.gz
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