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Diffstat (limited to 'fs/namei.c')
-rw-r--r--fs/namei.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/fs/namei.c b/fs/namei.c
index b8433ebfae05..967c3db92724 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1130,8 +1130,8 @@ int vfs_path_lookup(struct dentry *dentry, struct vfsmount *mnt,
* @nd: pointer to nameidata
* @open_flags: open intent flags
*/
-int path_lookup_open(int dfd, const char *name, unsigned int lookup_flags,
- struct nameidata *nd, int open_flags)
+static int path_lookup_open(int dfd, const char *name,
+ unsigned int lookup_flags, struct nameidata *nd, int open_flags)
{
struct file *filp = get_empty_filp();
int err;
@@ -1248,6 +1248,8 @@ struct dentry *lookup_one_len(const char *name, struct dentry *base, int len)
int err;
struct qstr this;
+ WARN_ON_ONCE(!mutex_is_locked(&base->d_inode->i_mutex));
+
err = __lookup_one_len(name, &this, base, len);
if (err)
return ERR_PTR(err);
@@ -1635,18 +1637,19 @@ static int open_will_write_to_fs(int flag, struct inode *inode)
* open_to_namei_flags() for more details.
*/
struct file *do_filp_open(int dfd, const char *pathname,
- int open_flag, int mode)
+ int open_flag, int mode, int acc_mode)
{
struct file *filp;
struct nameidata nd;
- int acc_mode, error;
+ int error;
struct path path;
struct dentry *dir;
int count = 0;
int will_write;
int flag = open_to_namei_flags(open_flag);
- acc_mode = MAY_OPEN | ACC_MODE(flag);
+ if (!acc_mode)
+ acc_mode = MAY_OPEN | ACC_MODE(flag);
/* O_TRUNC implies we need access checks for write permissions */
if (flag & O_TRUNC)
@@ -1867,7 +1870,7 @@ do_link:
*/
struct file *filp_open(const char *filename, int flags, int mode)
{
- return do_filp_open(AT_FDCWD, filename, flags, mode);
+ return do_filp_open(AT_FDCWD, filename, flags, mode, 0);
}
EXPORT_SYMBOL(filp_open);