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Reduce path_lookup() abuses

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... use kern_path() where possible

[folded a fix from rdd]

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2009-04-02 21:17:03 -04:00
parent 6b3304b531
commit e24977d45f
4 changed files with 25 additions and 25 deletions
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16
security/tomoyo/realpath.c
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@@ -165,11 +165,11 @@ char *tomoyo_realpath_from_path(struct path *path)
*/
char *tomoyo_realpath(const char *pathname)
{
struct nameidata nd;
struct path path;
if (pathname && path_lookup(pathname, LOOKUP_FOLLOW, &nd) == 0) {
char *buf = tomoyo_realpath_from_path(&nd.path);
path_put(&nd.path);
if (pathname && kern_path(pathname, LOOKUP_FOLLOW, &path) == 0) {
char *buf = tomoyo_realpath_from_path(&path);
path_put(&path);
return buf;
}
return NULL;
@@ -184,11 +184,11 @@ char *tomoyo_realpath(const char *pathname)
*/
char *tomoyo_realpath_nofollow(const char *pathname)
{
struct nameidata nd;
struct path path;
if (pathname && path_lookup(pathname, 0, &nd) == 0) {
char *buf = tomoyo_realpath_from_path(&nd.path);
path_put(&nd.path);
if (pathname && kern_path(pathname, 0, &path) == 0) {
char *buf = tomoyo_realpath_from_path(&path);
path_put(&path);
return buf;
}
return NULL;