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| author | Paulo Alcantara (SUSE) <pc@cjr.nz> | 2019-12-04 23:38:01 +0300 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2020-01-27 04:24:16 +0300 |
| commit | ff2f7fc08268f266372c30a815349749e8499eb5 (patch) | |
| tree | 52cf512276d2c0db02c586f448b7f5154293934b /fs/cifs/dfs_cache.c | |
| parent | 345c1a4a9e09dc5842b7bbb6728a77910db69c52 (diff) | |
| download | linux-ff2f7fc08268f266372c30a815349749e8499eb5.tar.xz | |
cifs: Merge is_path_valid() into get_normalized_path()
Just do the trivial path validation in get_normalized_path().
Signed-off-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs/cifs/dfs_cache.c')
| -rw-r--r-- | fs/cifs/dfs_cache.c | 21 |
1 files changed, 4 insertions, 17 deletions
diff --git a/fs/cifs/dfs_cache.c b/fs/cifs/dfs_cache.c index e889608e5e13..1d1f7c03931b 100644 --- a/fs/cifs/dfs_cache.c +++ b/fs/cifs/dfs_cache.c @@ -75,13 +75,11 @@ static void refresh_cache_worker(struct work_struct *work); static DECLARE_DELAYED_WORK(refresh_task, refresh_cache_worker); -static inline bool is_path_valid(const char *path) +static int get_normalized_path(const char *path, char **npath) { - return path && (strchr(path + 1, '\\') || strchr(path + 1, '/')); -} + if (!path || strlen(path) < 3 || (*path != '\\' && *path != '/')) + return -EINVAL; -static inline int get_normalized_path(const char *path, char **npath) -{ if (*path == '\\') { *npath = (char *)path; } else { @@ -828,9 +826,6 @@ int dfs_cache_find(const unsigned int xid, struct cifs_ses *ses, char *npath; struct cache_entry *ce; - if (unlikely(!is_path_valid(path))) - return -EINVAL; - rc = get_normalized_path(path, &npath); if (rc) return rc; @@ -875,9 +870,6 @@ int dfs_cache_noreq_find(const char *path, struct dfs_info3_param *ref, char *npath; struct cache_entry *ce; - if (unlikely(!is_path_valid(path))) - return -EINVAL; - rc = get_normalized_path(path, &npath); if (rc) return rc; @@ -929,9 +921,6 @@ int dfs_cache_update_tgthint(const unsigned int xid, struct cifs_ses *ses, struct cache_entry *ce; struct cache_dfs_tgt *t; - if (unlikely(!is_path_valid(path))) - return -EINVAL; - rc = get_normalized_path(path, &npath); if (rc) return rc; @@ -989,7 +978,7 @@ int dfs_cache_noreq_update_tgthint(const char *path, struct cache_entry *ce; struct cache_dfs_tgt *t; - if (unlikely(!is_path_valid(path)) || !it) + if (!it) return -EINVAL; rc = get_normalized_path(path, &npath); @@ -1049,8 +1038,6 @@ int dfs_cache_get_tgt_referral(const char *path, if (!it || !ref) return -EINVAL; - if (unlikely(!is_path_valid(path))) - return -EINVAL; rc = get_normalized_path(path, &npath); if (rc) |