| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.19 001/234] 9p: missing chunk of "fs/9p: Dont update file type when updating file attributes" | Date | Thu, 23 Jun 2022 18:41:08 +0200 |
| |
From: Al Viro <viro@zeniv.linux.org.uk>
commit b577d0cd2104fdfcf0ded3707540a12be8ddd8b0 upstream.
In commit 45089142b149 Aneesh had missed one (admittedly, very unlikely to hit) case in v9fs_stat2inode_dotl(). However, the same considerations apply there as well - we have no business whatsoever to change ->i_rdev or the file type.
Cc: Tadeusz Struk <tadeusz.struk@linaro.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- fs/9p/vfs_inode_dotl.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-)
--- a/fs/9p/vfs_inode_dotl.c +++ b/fs/9p/vfs_inode_dotl.c @@ -656,14 +656,10 @@ v9fs_stat2inode_dotl(struct p9_stat_dotl if (stat->st_result_mask & P9_STATS_NLINK) set_nlink(inode, stat->st_nlink); if (stat->st_result_mask & P9_STATS_MODE) { - inode->i_mode = stat->st_mode; - if ((S_ISBLK(inode->i_mode)) || - (S_ISCHR(inode->i_mode))) - init_special_inode(inode, inode->i_mode, - inode->i_rdev); + mode = stat->st_mode & S_IALLUGO; + mode |= inode->i_mode & ~S_IALLUGO; + inode->i_mode = mode; } - if (stat->st_result_mask & P9_STATS_RDEV) - inode->i_rdev = new_decode_dev(stat->st_rdev); if (!(flags & V9FS_STAT2INODE_KEEP_ISIZE) && stat->st_result_mask & P9_STATS_SIZE) v9fs_i_size_write(inode, stat->st_size);
|