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Revert "ovl: don't allow writing ioctl on lower layer"

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This reverts commit 7c6893e3c9.

Overlayfs no longer relies on the vfs for checking writability of files.

Signed-off-by: Miklos Szeredi <[email protected]>
This commit is contained in:
Miklos Szeredi 2018-07-18 15:44:43 +02:00
commit 6742cee043
4 changed files with 9 additions and 70 deletions
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4
fs/open.c
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@ -707,12 +707,12 @@ int ksys_fchown(unsigned int fd, uid_t user, gid_t group)
if (!f.file)
goto out;
error = mnt_want_write_file_path(f.file);
error = mnt_want_write_file(f.file);
if (error)
goto out_fput;
audit_file(f.file);
error = chown_common(&f.file->f_path, user, group);
mnt_drop_write_file_path(f.file);
mnt_drop_write_file(f.file);
out_fput:
fdput(f);
out: