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Commit 8a5aaa45 authored by Paulo Alcantara (SUSE)'s avatar Paulo Alcantara (SUSE) Committed by Greg Kroah-Hartman
Browse files

cifs: Merge is_path_valid() into get_normalized_path() 



commit ff2f7fc08268f266372c30a815349749e8499eb5 upstream.

Just do the trivial path validation in get_normalized_path().

Signed-off-by: default avatarPaulo Alcantara (SUSE) <pc@cjr.nz>
Reviewed-by: default avatarAurelien Aptel <aaptel@suse.com>
Signed-off-by: default avatarSteve French <stfrench@microsoft.com>
Signed-off-by: default avatarRishabh Bhatnagar <risbhat@amazon.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 339134c1

fs/cifs/dfs_cache.c

+4 −17
Original line number Diff line number Diff line
@@ -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)