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authorTejun Heo <tj@kernel.org>2014-02-10 19:34:30 -0500
committerTejun Heo <tj@kernel.org>2014-02-10 19:34:30 -0500
commita8fa94e0f2ab665f9aa665195618178b61ed8304 (patch)
tree4060502fffd7f56d379372d517f8dcc31bf63955 /fs/namei.c
parent9561a8961c708ff6ba3e71a817af0f16bdc1d885 (diff)
parentb28a960c42fcd9cfc987441fa6d1c1a471f0f9ed (diff)
Merge branch 'master' into driver-core-next-test-merge-rc2
da9846ae1518 ("kernfs: make kernfs_deactivate() honor KERNFS_LOCKDEP flag") in driver-core-linus conflicts with kernfs_drain() updates in driver-core-next. The former just adds the missing KERNFS_LOCKDEP checks which are already handled by kernfs_lockdep() checks in driver-core-next. The conflict can be resolved by taking code from driver-core-next. Conflicts: fs/kernfs/dir.c
Diffstat (limited to 'fs/namei.c')
-rw-r--r--fs/namei.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/fs/namei.c b/fs/namei.c
index d580df2e6804..385f7817bfcc 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -196,6 +196,7 @@ recopy:
goto error;
result->uptr = filename;
+ result->aname = NULL;
audit_getname(result);
return result;
@@ -210,6 +211,35 @@ getname(const char __user * filename)
return getname_flags(filename, 0, NULL);
}
+/*
+ * The "getname_kernel()" interface doesn't do pathnames longer
+ * than EMBEDDED_NAME_MAX. Deal with it - you're a kernel user.
+ */
+struct filename *
+getname_kernel(const char * filename)
+{
+ struct filename *result;
+ char *kname;
+ int len;
+
+ len = strlen(filename);
+ if (len >= EMBEDDED_NAME_MAX)
+ return ERR_PTR(-ENAMETOOLONG);
+
+ result = __getname();
+ if (unlikely(!result))
+ return ERR_PTR(-ENOMEM);
+
+ kname = (char *)result + sizeof(*result);
+ result->name = kname;
+ result->uptr = NULL;
+ result->aname = NULL;
+ result->separate = false;
+
+ strlcpy(kname, filename, EMBEDDED_NAME_MAX);
+ return result;
+}
+
#ifdef CONFIG_AUDITSYSCALL
void putname(struct filename *name)
{