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authorPaulo Alcantara (SUSE) <pc@cjr.nz>2019-12-04 23:38:01 +0300
committerSteve French <stfrench@microsoft.com>2020-01-27 04:24:16 +0300
commitff2f7fc08268f266372c30a815349749e8499eb5 (patch)
tree52cf512276d2c0db02c586f448b7f5154293934b /fs/cifs/dfs_cache.c
parent345c1a4a9e09dc5842b7bbb6728a77910db69c52 (diff)
downloadlinux-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.c21
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)