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| author | Al Viro <viro@zeniv.linux.org.uk> | 2019-03-22 23:26:22 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2019-04-09 19:20:57 -0400 |
| commit | 357ab5b5d240a284b261a62451e838dd9f76e6b9 (patch) | |
| tree | e3a01e4efc93cf14a81bcf0e532a9b492f3767a8 | |
| parent | ab1152dd5650d35da6f0f6d3c0cc18f86fdc0725 (diff) | |
| download | linux-357ab5b5d240a284b261a62451e838dd9f76e6b9.tar.bz2 | |
nsfs: unobfuscate
1) IS_ERR(p) && PTR_ERR(p) == -E... is spelled p == ERR_PTR(-E...)
2) yes, you can open-code do-while and sometimes there's even
a good reason to do so. Not in this case, though.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| -rw-r--r-- | fs/nsfs.c | 23 |
1 files changed, 10 insertions, 13 deletions
diff --git a/fs/nsfs.c b/fs/nsfs.c index 30d150a4f0c6..e3bf08c5af41 100644 --- a/fs/nsfs.c +++ b/fs/nsfs.c @@ -105,17 +105,16 @@ slow: void *ns_get_path_cb(struct path *path, ns_get_path_helper_t *ns_get_cb, void *private_data) { - struct ns_common *ns; void *ret; -again: - ns = ns_get_cb(private_data); - if (!ns) - return ERR_PTR(-ENOENT); + do { + struct ns_common *ns = ns_get_cb(private_data); + if (!ns) + return ERR_PTR(-ENOENT); + + ret = __ns_get_path(path, ns); + } while (ret == ERR_PTR(-EAGAIN)); - ret = __ns_get_path(path, ns); - if (IS_ERR(ret) && PTR_ERR(ret) == -EAGAIN) - goto again; return ret; } @@ -154,7 +153,7 @@ int open_related_ns(struct ns_common *ns, if (fd < 0) return fd; - while (1) { + do { struct ns_common *relative; relative = get_ns(ns); @@ -164,10 +163,8 @@ int open_related_ns(struct ns_common *ns, } err = __ns_get_path(&path, relative); - if (IS_ERR(err) && PTR_ERR(err) == -EAGAIN) - continue; - break; - } + } while (err == ERR_PTR(-EAGAIN)); + if (IS_ERR(err)) { put_unused_fd(fd); return PTR_ERR(err); |