file->f_path.dentry is pinned down for as long as the file is open...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 1 insertions, 4 deletions

diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index 072566dd0caf..55f82fce2526 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -2405,7 +2405,6 @@ int __audit_log_bprm_fcaps(struct linux_binprm *bprm,
 	struct audit_aux_data_bprm_fcaps *ax;
 	struct audit_context *context = current->audit_context;
 	struct cpu_vfs_cap_data vcaps;
-	struct dentry *dentry;
 
 	ax = kmalloc(sizeof(*ax), GFP_KERNEL);
 	if (!ax)
@@ -2415,9 +2414,7 @@ int __audit_log_bprm_fcaps(struct linux_binprm *bprm,
 	ax->d.next = context->aux;
 	context->aux = (void *)ax;
 
-	dentry = dget(bprm->file->f_path.dentry);
-	get_vfs_caps_from_disk(dentry, &vcaps);
-	dput(dentry);
+	get_vfs_caps_from_disk(bprm->file->f_path.dentry, &vcaps);
 
 	ax->fcap.permitted = vcaps.permitted;
 	ax->fcap.inheritable = vcaps.inheritable;