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authorAl Viro <viro@zeniv.linux.org.uk>2021-03-01 20:37:10 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2021-03-08 10:19:35 -0500
commit6e3e2c4362e41a2f18e3f7a5ad81bd2f49a47b85 (patch)
treeef51a46d8ebbfa4300e6fa4f1c20b171b351bf13 /fs/cifs/inode.c
parenta38fd8748464831584a19438cbb3082b5a2dab15 (diff)
new helper: inode_wrong_type()
inode_wrong_type(inode, mode) returns true if setting inode->i_mode to given value would've changed the inode type. We have enough of those checks open-coded to make a helper worthwhile. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/cifs/inode.c')
-rw-r--r--fs/cifs/inode.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 7c61bc9573c0..d46b36d52211 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -426,8 +426,7 @@ int cifs_get_inode_info_unix(struct inode **pinode,
}
/* if filetype is different, return error */
- if (unlikely(((*pinode)->i_mode & S_IFMT) !=
- (fattr.cf_mode & S_IFMT))) {
+ if (unlikely(inode_wrong_type(*pinode, fattr.cf_mode))) {
CIFS_I(*pinode)->time = 0; /* force reval */
rc = -ESTALE;
goto cgiiu_exit;
@@ -1249,7 +1248,7 @@ cifs_find_inode(struct inode *inode, void *opaque)
return 0;
/* don't match inode of different type */
- if ((inode->i_mode & S_IFMT) != (fattr->cf_mode & S_IFMT))
+ if (inode_wrong_type(inode, fattr->cf_mode))
return 0;
/* if it's not a directory or has no dentries, then flag it */